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An investor tracks stock prices at a securities company in Hangzhou, East China's Zhejiang province, on Jan 2, 2020. [Photo/Sipa]
An "angle of attack" sensor built into the aircraft measurers the amount of lift produced by the wings. The device warns pilots when there is too little lift, potentially stalling the plane, and then points the nose of the craft down to gain speed and remain aloft.
An Fengshan, spokesman for the Taiwan Affairs Office of the State Council, answers questions at a press conference in Beijing on March 28, 2018. [Photo/Xinhua]
An employee serves visitors at the booth for Chinese online travel agency Tuniu.com during a tourism festival in Fuzhou, Southeast China's Fujian province, Nov 12, 2016.[Photo/IC]
An investor looks at share prices at a brokerage in Fuyang, Anhui province, June 1, 2018. [Photo by Wang Biao/For China Daily]
