Linked from
The 5 pages that link to Millau Viaduct, each with the reason it gives.
BridgeBroader topic: Its tall piers and stays carry a road high across the Tarn valley.
Bridge pierBroader topic: Its tall piers support a deck high above the valley floor.
Bridge towerBroader topic: Its slender pylons carry stay cables while rising above a deep valley.
ViaductBroader topic: Its tall piers and long deck demonstrate modern valley-crossing design.