Tourists watch the Shuyu Spring in Jinan, capital of east China's Shandong Province, Sept. 15, 2016. A three-day holiday to celebrate the Mid-Autumn Festival starts on Thursday nationwide in China. The festival has been celebrated for more than 3,000 years to mark the harvest during the autumn full moon. It is also an occasion for family gatherings featuring lanterns, solving riddles and mooncakes. (Xinhua/Xu Suhui)
