0:00:02.283,0:00:03.833
Dalle torri più alte

0:00:03.833,0:00:05.033
alle gallerie più grandi,

0:00:05.033,0:00:06.630
alcune meraviglie[br]dell'ingegneria civile

0:00:06.630,0:00:08.167
più grandi del mondo

0:00:08.167,0:00:10.107
sono appena state costruite.

0:00:10.577,0:00:12.737


0:00:12.737,0:00:15.478


0:00:15.478,0:00:17.308


0:00:17.308,0:00:19.148


0:00:19.148,0:00:21.088


0:00:21.088,0:00:23.238


0:00:23.238,0:00:24.758


0:00:24.758,0:00:25.900


0:00:25.900,0:00:28.350


0:00:28.350,0:00:29.450


0:00:29.450,0:00:31.550


0:00:31.550,0:00:33.980


0:00:33.980,0:00:36.650


0:00:36.650,0:00:41.070


0:00:41.070,0:00:44.976


0:00:44.976,0:00:48.062


0:00:48.062,0:00:51.782


0:00:51.782,0:00:54.500


0:00:54.500,0:00:56.366


0:00:56.366,0:00:58.436


0:00:58.436,0:01:00.916


0:01:00.916,0:01:02.566


0:01:02.566,0:01:04.356


0:01:04.356,0:01:05.984


0:01:05.984,0:01:07.764


0:01:07.764,0:01:11.103


0:01:11.103,0:01:13.453


0:01:13.453,0:01:15.476


0:01:15.476,0:01:18.386


0:01:18.386,0:01:22.176


0:01:22.176,0:01:24.706


0:01:24.706,0:01:27.679


0:01:27.679,0:01:30.224


0:01:30.224,0:01:32.504


0:01:32.504,0:01:35.004


0:01:35.004,0:01:36.497


0:01:36.497,0:01:38.170


0:01:38.170,0:01:39.770


0:01:39.770,0:01:41.750


0:01:41.750,0:01:44.784


0:01:44.784,0:01:47.164


0:01:47.164,0:01:48.534


0:01:48.534,0:01:52.016


0:01:52.016,0:01:55.396


0:01:55.396,0:01:59.197


0:01:59.197,0:02:03.857


0:02:03.857,0:02:10.317


0:02:10.317,0:02:15.007


0:02:15.007,0:02:19.217


0:02:19.217,0:02:23.539


0:02:23.539,0:02:26.191


0:02:26.191,0:02:29.691


0:02:29.691,0:02:32.501


0:02:32.501,0:02:35.031


0:02:35.031,0:02:37.891


0:02:37.891,0:02:40.931


0:02:40.931,0:02:45.541


0:02:45.541,0:02:48.081


0:02:48.081,0:02:51.711


0:02:51.711,0:02:57.931


0:02:57.931,0:03:03.401


0:03:03.401,0:03:09.941


0:03:09.941,0:03:13.481


0:03:13.481,0:03:15.611


0:03:15.611,0:03:17.001


0:03:17.001,0:03:18.291


0:03:18.291,0:03:19.111


0:03:19.111,0:03:20.171


0:03:20.171,0:03:23.131