Workers of a research institute pick a new variety of winter dates in Zhanhua District of Binzhou, east China's Shandong Province, Sept. 21, 2018. China will mark its first Farmers' Harvest Festival on Sept. 23 this year. From 2018 on, the festival, to be celebrated on the Autumnal Equinox each year, is set to be observed annually to greet the harvest season and honour the agricultural workers. (Xinhua/Zhu Zheng)