The rigidity of its marble structure combined with soft soil below helps the Leaning Tower of Pisa withstand seismic waves, according to new research funded by Opera della Primaziale Pisana. Matthew Stock reports.
01:15
01:30
02:37
02:11
00:40
02:29
00:42
00:40
00:41
01:01
00:57
00:31
01:23
00:30
01:22
01:17
01:16
02:04
00:38
00:59
02:29
00:57
02:22
00:47
01:22
01:08
01:01
02:59
01:49
00:49
01:38
02:23
00:50
02:26
01:53
00:45
01:09
00:55
01:27
00:49
01:15
01:30
02:37
00:40
00:40
00:30
01:15
00:17
02:26
00:47
00:28
00:52
00:33
01:05
00:25
01:59
01:34
00:33
00:40
00:28
01:46
01:23
01:07
00:55
01:41
01:04
02:26
03:03
02:30
01:49
02:14
01:27
02:03
01:21
07:58
00:29
01:08
01:21
01:15
02:33
01:02
01:28
01:57
01:03
02:00
03:34
01:30
00:51
02:02
00:51
02:07
02:05
01:36
01:23
02:26
01:11
00:28
01:38
01:00
01:23