Lighting on a span of the Hong Kong-Zhuhai-Macao Bridge being tested on December 29, 2017. The huge structure is the world's longest manmade sea crossing. The 23km bridge and almost 7km of underground tunnel spans the width of the Pearl River Delta. [Photo: VCG]
Lighting on a span of the Hong Kong-Zhuhai-Macao Bridge being tested on December 29, 2017. The huge structure is the world's longest manmade sea crossing. The 23km bridge and almost 7km of underground tunnel spans the width of the Pearl River Delta. [Photo: VCG]
Lighting on a span of the Hong Kong-Zhuhai-Macao Bridge being tested on December 29, 2017. The huge structure is the world's longest manmade sea crossing. The 23km bridge and almost 7km of underground tunnel spans the width of the Pearl River Delta. [Photo: VCG]
Lighting on a span of the Hong Kong-Zhuhai-Macao Bridge being tested on December 29, 2017. The huge structure is the world's longest manmade sea crossing. The 23km bridge and almost 7km of underground tunnel spans the width of the Pearl River Delta. [Photo: VCG]