The opening ceremony of the Hong Kong-Zhuhai-Macau Bridge took place at the Port of Zhuhai in Guangdong province on Tuesday. Chinese President Xi Jinping officially launched the world’s longest sea bridge, connecting Hong Kong, Macau and the Chinese mainland. Photo: China News Service

The Hong Kong-Zhuhai-Macau Bridge is seen on Tuesday after its opening ceremony in Zhuhai, Guangdong province. Photo: VCG

The Hong Kong-Zhuhai-Macau Bridge is seen from Hong Kong on Monday. The world’s longest sea bridge was launched on Tuesday. Photo: VCG

The Hong Kong-Zhuhai-Macau Bridge is seen from Hong Kong on Sunday. Photo: VCG

The border-crossing facility of the Hong Kong-Zhuhai-Macau Bridge is seen from Macau on July 1. Photo: VCG

The Hong Kong-Zhuhai-Macau Bridge’s toll entrance is seen in Zhuhai, Guangdong province, on May 23. Photo: VCG

The Hong Kong-Zhuhai-Macau Bridge is seen under construction in Zhuhai, Guangdong province, on May 22. Photo: VCG

An undersea-tunnel construction site of the Hong Kong-Zhuhai-Macau Bridge is seen in the Pearl River Estuary on July 7. Photo: VCG

The Hong Kong-Zhuhai-Macau Bridge, seen on June 8, spans over 20 kilometers (12.4 miles) from the Port of Zhuhai to the west artificial-island section. Photo: VCG