Before the Hong Kong-Zhuhai-Macao Bridge opened, a trip from Zhuhai to Hong Kong meant either taking the ferry for more than an hour or driving around the waters separating the two cities for three to four hours.
The grey-green water off Zhuhai in South China's Guangdong province churns as teams of small underwater robots compete to make a big revolution at China's marine ranches.
At the Zhuhai port inspection site of the Hong Kong-Zhuhai-Macao Bridge, trucks loaded with e-commerce packages from all over the country arrive each day.
