Aerial photo shows people participating in a dragon boat race in Jinjiang River in Tongren City, southwest China's Guizhou Province, June 5, 2019. A dragon boat championship was held in Tongren on Wednesday to celebrate the upcoming Dragon Boat Festival, which falls on June 7 this year. (Xinhua/Wu Weidong)

People participate in a dragon boat race in Jinjiang River in Tongren City, southwest China's Guizhou Province, June 5, 2019. A dragon boat championship was held in Tongren on Wednesday to celebrate the upcoming Dragon Boat Festival, which falls on June 7 this year. (Xinhua/Wu Weidong)

Aerial photo shows people participating in a dragon boat race in Jinjiang River in Tongren City, southwest China's Guizhou Province, June 5, 2019. A dragon boat championship was held in Tongren on Wednesday to celebrate the upcoming Dragon Boat Festival, which falls on June 7 this year. (Xinhua/Wu Weidong)

Aerial photo shows people participating in a dragon boat race in Jinjiang River in Tongren City, southwest China's Guizhou Province, June 5, 2019. A dragon boat championship was held in Tongren on Wednesday to celebrate the upcoming Dragon Boat Festival, which falls on June 7 this year. (Xinhua/Wu Weidong)

People participate in a dragon boat race in Jinjiang River in Tongren City, southwest China's Guizhou Province, June 5, 2019. A dragon boat championship was held in Tongren on Wednesday to celebrate the upcoming Dragon Boat Festival, which falls on June 7 this year. (Xinhua/Long Yuanbin)

People participate in a dragon boat race in Jinjiang River in Tongren City, southwest China's Guizhou Province, June 5, 2019. A dragon boat championship was held in Tongren on Wednesday to celebrate the upcoming Dragon Boat Festival, which falls on June 7 this year. (Xinhua/Long Yuanbin)