A visitor looks at the model of an oil rig at the 2019 China Marine Economy Expo in Shenzhen, South China's Guangdong province, Oct 15, 2019. The expo, under the theme of "Sharing Blue Economy Opportunities, Building a Shared Future," opened in Shenzhen on Oct 15. It has attracted more than 450 companies and institutions to participate and is expected to present China's achievements in the marine economy and the latest progress in the global marine industry. [Photo/Xinhua]
Visitors look at the model of the China's manned submersible Jiaolong at the 2019 China Marine Economy Expo in Shenzhen, South China's Guangdong province, Oct 15, 2019. [Photo/Xinhua]
People visit the booth of the New Marine city at the 2019 China Marine Economy Expo in Shenzhen, South China's Guangdong province, Oct 15, 2019. [Photo/Xinhua]
People visit the 2019 China Marine Economy Expo in Shenzhen, South China's Guangdong province, Oct 15, 2019. [Photo/Xinhua]
A visitor looks at the model of the Greg Mortimer, China's first self-made cruise ship for polar expeditions, at the 2019 China Marine Economy Expo in Shenzhen, South China's Guangdong province, Oct 15, 2019. [Photo/Xinhua]
