People attend a dragon boat competition to celebrate the Duanwu Festival in Wuhe County, east China's Anhui Province, June 10, 2018. (Xinhua/Zhou Jiandao)
Pupils make zongzi, a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, under the direction of volunteers to celebrate the Duanwu Festival at Qianhe Primary School in Sidui Town in Guanyun County, east China's Jiangsu Province, June 11, 2018. (Xinhua/Wu Chenguang)
Tourists drift down a brook in Zigui County of central China's Hubei Province, June 9, 2018. (Xinhua/Wang Gang)
Volunteers clean waste on beach in Dongshan County, southeast China's Fujian Province, Oct. 2, 2017. World Oceans Day, a UN-designated day held annually on June 8, aims to arouse people's consciousness to preserve oceans on Earth. (Xinhua/Song Weiwei)