Wang Jianjiahe of China enters water during women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Pan Yulong)

Wang Jianjiahe of China reacts after women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Fei Maohua)

Wang Jianjiahe of China reacts after women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Yue Yuewei)

Wang Jianjiahe of China enters water during women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Yue Yuewei)

Wang Jianjiahe of China reacts after women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Fei Maohua)

Wang Jianjiahe of China reacts after women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Fei Maohua)

Wang Jianjiahe of China competes during women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Fei Maohua)

Wang Jianjiahe of China reacts after women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Yue Yuewei)

Wang Jianjiahe of China competes during women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Yue Yuewei)

Wang Jianjiahe of China competes during women's 400m freestyle final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 24, 2018. Wang won the gold medal. (Xinhua/Yue Yuewei)