Subtitle Preview
1
00:00:01,690 --> 00:00:04,419
Today,
on "Impossible engineering,"
2
00:00:04,420 --> 00:00:08,050
the Shard, a record-breaking
super tower...
3
00:00:08,060 --> 00:00:11,100
Construction never been
attempted before on a building
4
00:00:11,101 --> 00:00:14,020
this tall in central London.
5
00:00:14,030 --> 00:00:17,529
Taking structural
design to new heights.