World's longest sea bridge opened in China by 10 crew & 144 white dolphins

China's new bridge after nine years of construction has been opened by Chinese President Xi Jingpin today.



The construction of the world's longest marine bridge, which is 55 kilometers long, crosses Pearl River valley, connects China's mainland city with Hong Kong and Mahayu. This new bridge is 20 times longer than the Golden Gate Bridge of San Francisco.



Hong Kong

A part of this bridge is designed to be a tunnel underneath a stretch of about 7 kilometers in length, from the Hong Kong International Airport near the bridge, as well as for landing and landing.



4 lakh tonnes of iron

Around 4 lakh tonnes of iron is used to construct this bridge. This is eight times the same as it was used to construct Sydney's Harbor Bridge. The bridge is made up of poles connected to the sea floor, with the help of hanging cables of massive towers and two artificial islands.



Earthquake

According to engineers, this bridge would have been a threat to the magnitude of the magnitude of the magnitude of the magnitude of the magnitude of magnitude 8,



White dolphins

During the construction of the bridge, there were severe criticisms of the deaths of 10 employees and the fear of the impacts of white dolphins living in the area. White dolphins from 2003 to 188 gradually decreased and currently only 47 in the area.



164 kilometers

The longest bridge in all bridges is in China. The Tianan-Guanan Grand Bridge, about 164 kilometers long, crosses water and terrain between Shanghai and Nanjing