CNN 10 - February 6, 2018 | Signs of unity and disunity coincide ahead of the Olympic Games

The Dow Jones Industrial Average takes a nosedive, signs of unity and disunity coincide ahead of the Olympics, and the Sistine Chapel gets its annual checkup.

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Hi. I'm Carl Azuz. Thank you for watching
CNN 10, your objective explanation of world

events.

Investors around the world are keeping a close
eye on the U.S. stock market. Yesterday, it

took a nosedive. The Dow Jones Industrial
Average,

an index of 30 significant stocks, dropped
1,175 points.

That was the biggest one day point drop in
market history, and it followed good news

that came out on Friday. The January jobs
report from the U.S.

government indicated that the country added
200,000 jobs last month and that wages grew

as well at their fastest pace since 2009.

So, why would that cause the market to drop
more than 660 points on Friday and more than

1,100 yesterday? Fear. Investors are concerned
that the

higher wages could lead to inflation, when
prices go up and money buys less. And that

could lead to a faster increase in interest
rates, a tool

the government uses to control inflation.
So, a sell-off began and the Dow dropped.

Analysts say the market is still significantly
up overall in the past year and that the U.S.

economy is healthy. So, whether this is a
correction, a

temporary dip in the market or a sign that
a bear market is ahead with more stock declines,

that remains to be seen.

In Pyeongchang, South Korea, organizers say
almost 3,000 athletes representing 92 countries

will be competing. That would be the most
ever.

And while North Korea has sent a delegation
of athletes, musicians and media to South

Korea, and there are signs of improved relations
between the

two rivals.

There are also signs of continued tensions
between them. For one thing, the night before

the games, North Korea is holding a parade
to show off its

missiles and rockets, an effort to show the
world its military strength.

For another, U.S. Vice President Mike Pence
is attending the games. The U.S. is an ally

of South Korea, and according to "The Washington
Post",

he's bringing a man named Fred Warmbier with
him. He's the father of Otto Warmbier, an

American student who was jailed in North Korea
and who died

soon after he was released last year from
a North Korean prison.

Warmbier's parents have accused North Korea
of torturing him. The communist country says

Warmbier contracted botulism, a bacterial
disease,

while in prison. The presence of his father
at the Olympics will probably anger North

Korea. So, it's likely these games will make
political

headlines, as well as athletic ones.

Dancing for joy outside a women's ice hockey
game, just days before the Winter

Olympics. Some supporters delighted about
the joint team from Korea playing what's supposed

to be a friendly match against Sweden. But
others

are not feeling so friendly.

Scuffles are up between police and a small
crowd of anti-North Korean demonstrators.

They call North Korea's leader a dog, and
they ridiculed

the Winter Games, calling them the Pyongyang,
not Pyeongchang Olympics.

A flurry of diplomacy last month resulted
in a last minute decision to create the first

ever joint North and South Korean women's
Olympic ice

hockey team. Playing under a unification flag,
they stand for a Korean folk song instead

of their country's national anthem. Twenty-three
South

Korean players skate alongside 12 North Korean
players under the leadership of South Korea's

Canadian coach.

The North and South Korean players only had
a few days to train together and in the end,

Sweden soundly defeated them.

Sweden ranked fifth in the world easily beat
the Koreans 3- 1. After the game, a North

Korean coach and player briefly sat alongside
South Korean counterparts to make a short

statement about unity. But then

in surreal twist, the North Korean walked
off stage to avoid answering questions from

journalists. The team that's supposed to be
a symbol of

unity isn't even allowed to live together.

North Korea is not going to be staying with
us in the same building, in the Olympic

Village. They have their own building. So,
all the North Korean athletes will be together.

In an ideal world, yes, we would be in the
same building and we would stay together because

we need to do team meetings. We need to be
together.

We're one team. So -- but unfortunately, it
didn't work out that way. So, we're just going

to deal with it.

Ten-second trivia.

Who famously said, "I saw the angel in the
marble and carved until I set him free"?

Leonardo, Michelangelo, Donatello, or Raphael?

A poet, painter, and architect, as well as
a sculpture, Michelangelo Buonarroti famously

said these words.

He was considered the greatest artist of his
time and is still seen as one of the greatest

of all time. And one of his famous works stretches

across the ceiling of the Sistine Chapel.
Michelangelo completed this in 1512 after

working on it for four years. He originally
planned to paint

the 12 apostles, the first followers of Jesus
Christ, but he reportedly didn't think that

was enough. So, his plan grew to include more
than 300

figures.

They're among the priceless Renaissance paintings
getting their annual check up right now.

The Sistine Chapel is getting a checkup. For
a whole month each year, from 5:30 to midnight,

when all the tourists are gone, a team from
the Vatican comes in to clean up, check for

damage and report on the health of some of
the world's most

treasured art.

It's a painstaking process: scaffolding must
be erected and taken down each night and cannot

be attached to the walls to avoid damaging
the paintings.

One of the biggest problems of the Sistine
Chapel is humidity, 25,000 visitors a day

posed a risk for the paintings.

You know, our bodies are made of water. So,
when we visit the Sistine Chapel, we bring

in

humidity and we heat, everyone heats the environment
like a bulb, you know, 80-watt bulb.

Humidity causes condensation and a veil of
salt forms on the famous frescoes painted

in the 1400 and 1500s, which damages the color
and

the plaster it's painted on.

A laborious technique brushing distilled water
onto thin Japanese paper removes the salt

layer.

To combat humidity, there are of 30 hidden
sensors measuring temperature, air circulation

and the number of visitors in the chapel.

Dr. Vittoria Cimino, the Vatican's conservationist,
monitors the air quality in the chapel.

The temperature must be between 22 to 24 degree
Celsius.

Humidity must be medium hight. They are very
precise markers and we have to verify that

the system respects them.

The frescoes in this chapel are over 500 years.
Now, back then, there was no artificial lighting.

The only light that came

in was daylight through this upper windows.
And, of course, being the pope's private chapel,

far fewer people came through here as well.
So,

cleaning and restoration wasn't really a priority
then.]

Today, with new technology and lighting, not
only is there better cleaning but it has revealed

to restorers the true colors used by Michelangelo.

The world was shocked after a cleaning and
restoration in the 1990s to discover that

Michelangelo actually used vivid greens, purples

and reds because for centuries it was assumed
that he painted in dark, subdued tones. But

that was only the accumulation of dirt and
grime.

The next time you're in the Sistine Chapel,
look out for this, little black marks, squares

and triangles on some of the paintings. They're
called

witnesses, deliberately left as evidence for
future restorers to give an idea of just how

dark the paintings were before.

To make sure the colors stay vibrant, a color
team measures any changes to tone by taking

pictures of the frescoes with a multi-wavelength
camera

which is then analyzed by a computer.

Dr. Fabio Morresi is in charge of color analysis.

We can see the color of every single pixel
and compare it throughout the

years. It's important because we can detect
any changes even before they are visible to

the human eye.

GALLAGHER: A behind the scenes labor of love
so that the past may continue to brighten

our future.

Delia Gallagher, CNN, Rome.

Sault Ste. Marie is a city in the upper peninsula
of the U.S. state of Michigan. It's just across

the St. Marie's River from Sault Ste. Marie,

Ontario, Canada, and it's cold there. Annual
snowfall: more than 120 inches. So, some snowmobilers

recently tried to break the Guinness World

Record for largest snowmobile parade. According
to affiliate WLUC, they were just a few riders

and mobiles short. Nine hundred ninety-seven

vehicles participated, but 1,048 were needed.

Still, it was a grand idea. The event stayed
on track, no one was misled, no one was running

bored. Maybe they didn't tread out a new record,
but

the dual purpose was to have fun and getting
that many riders out in subfreezing temperatures

was unsnowmobelievable.
I'm Carl Azuz for CNN 10.