The World of Bridges

China's famous Wind and Rain Bridge; the Ponte dei Salti dates back to the Roman era.

France's towering Millau Viaduct; Wales' Pontcysyllte Aqueduct stands high over the River Dee.

Calcutta's steel Howrah Bridge and its predecessor Scotland's Forth Bridge near Edinburgh.

The Great Seto Bridge in Japan and the Victoria Falls Bridge in Zimbabwe.