A visitor looks at the model of drilling platform in Liwan 3-1 gas field during a major exhibition to commemorate the 40th anniversary of China's reform and opening-up at the National Museum of China in Beijing, capital of China, Nov. 24, 2018. (Xinhua/Yin Gang)
Visitors view exhibition commemorating China's reform and opening-up
Source: Xinhua| 2018-11-25 07:39:05|Editor: mmm