Great Structures - Bridge towers: medieval fortresses guarding vital river crossings
Great Structures · 0:39
Bridge towers: medieval fortresses guarding vital river crossings (Wikipedia)
More videos
- Great Structures - Bismarck towers: beacons honouring Germany's first chancellor 0:42
- Great Structures - Ventilation shafts: moving fresh air through tunnels and buildings 0:41
- Great Structures - Summit-level canals: carrying boats over the high hills 0:37
- Great Structures - Pile lighthouses: skeletal towers built on open sea reefs 0:38
- Great Structures - Hose towers: the tall vertical drying rooms of fire stations 0:42
- Great Structures - Beaver dams: nature completes a delayed public works project 0:41
- Great Structures - Zig-zag bridges: sharp turns for stability and gardens 0:41
- Great Structures - Badong Yangtze River Bridge: soaring high above rising waters 0:41
- Great Structures - Measurement towers: tracking winds for rockets and turbines 0:39
- Great Structures - Albert Bridge: the last survivor of an unusual design 0:41
- Great Structures - International Lighthouse Weekend: connecting maritime heritage through radio 0:43
- Great Structures - Council on Vertical Urbanism: defining the world's tallest buildings 0:39