Hangzhou Bay Bridge
The world's longest trans-oceanic bridge extends across the Hangzhou Bay to over 35.673 kilometres (22 miles). It has six expressway lanes in two directions.
Inaugurated in May 2008, this modern wonder is an S-shaped stayed-cable bridge with six lanes in both directions. It brings down the distance between Shanghai and Ningbo by 120 km. This architectural wonder cost a whopping 11.8 billion yuan ($1.70 billion).