Puqian Bridge, connecting Haikou, Hainan province, to Puqian, Wenchang, opens to the public on Monday, shortening travel time by car from 90 minutes to about 20 minutes. It is China's first over-sea bridge that crosses a geological fault zone prone to seismic activity. It was designed to be highly resistant to earthquakes and extreme winds. (Photo: China Daily)

Aerial photo taken on March 18, 2019 shows the Haiwen Bridge, South China's Hainan province. The cross-sea bridge, which was built over seismic faults, officially started operation on Monday. The total length of the bridge is 5.597 km, including about 3.959 km across the sea. The bridge, which links Yanfeng township of Haikou city and Puqian township of Wenchang city, cut the trip between the two places from an hour and a half to about 20 minutes. (Photo: Xinhua)

Aerial photo taken on March 18, 2019 shows the Haiwen Bridge, South China's Hainan province. (Photo: Xinhua)

Aerial photo taken on March 18, 2019 shows the Haiwen Bridge, South China's Hainan province. (Photo: Xinhua)

Aerial photo taken on March 18, 2019 shows the Haiwen Bridge, South China's Hainan province. (Photo: Xinhua)