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Detailed explanation-1: -The world’s longest bridge is the Danyang–Kunshan Grand Bridge in China, part of the Beijing-Shanghai High-Speed Railway, according to Encyclopaedia Britannica (opens in new tab). The bridge, which opened in June 2011, spans 102.4 miles (165 kilometers).

Detailed explanation-2: -Opened by Chinese president Xi Jinping, the $20billion bridge was constructed of 400, 000 tonnes of steel, the equivalent of 60 Eiffel Towers. The bridge has been designed to withstand earthquakes and typhoons of up to 340 kilometers per hour.

Detailed explanation-3: -While China already has the world’s longest bridge in its kitty (Danyang Kunshan Grand Bridge), the Hong Kong-Zhuhai-Macau Bridge as the world’s longest sea bridge will be another engineering feat.

Detailed explanation-4: -Lvzhijiang Bridge is a single-tower, single-span suspension bridge. Officials claim the bridge breaks several world records. Built in a mountainous V-shaped valley, it is the world’s first single-tower, single-span suspension bridge; it’s only held up by one tower and is supported at both ends by cables.