Participants attend a Halloween parade in Chicago, the United States, on Oct. 20, 2018. (Xinhua/Wang Ping)
China completes deep-sea research mission in Mariana Trench
China's harvest scenery on World Food Day
Autumn scenery in China's Guangxi
Various wild birds seen across China
Paddy rice harvested in north China's Hebei
Brown-eared pheasants pictured in north China's Shanxi
Main body of Chinese part of 1st cross-river railway bridge connecting with Russia completed
Model aircrafts with turbojet engines compete in air in China's Shandong