Zhang Dong (R) and Bu Tingkai of China attends the awarding ceremony of men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018. China won the gold medal. (Photos: Xinhua)

Zhang Dong (3rd R) and Bu Tingkai (4th R) of China attend the awarding men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong (R) and Bu Tingkai of China attends the awarding ceremony of men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong and Bu Tingkai of China compete during men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong and Bu Tingkai of China compete during men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong and Bu Tingkai of China compete during men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Medalists take selfies after the awarding ceremony of men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong and Bu Tingkai of China compete during men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong and Bu Tingkai of China compete during men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.

Zhang Dong (R) and Bu Tingkai of China attend the awarding ceremony of men's Kayak Double (K2) 1000m final at the 18th Asian Games in Palembang, Indonesia, Aug. 30, 2018.