Rubber ducks float down the Chicago River during the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
Volunteers recover rubber ducks from the Chicago River following the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
Rubber ducks float down the Chicago River during the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
A volunteer recovers rubber ducks from the Chicago River following the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
A volunteer recovers rubber ducks from the Chicago River following the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
Volunteers recover rubber ducks from the Chicago River following the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
Rubber ducks are dropped into the Chicago River during the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
Volunteers recover rubber ducks from the Chicago River following the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
Rubber ducks are dropped into the Chicago River during the 13th Annual Chicago Ducky Derby in Chicago, the United States, Aug. 9, 2018. Derby organizers dropped about 60,000 rubber ducks into the Chicago river on Thursday to start the Rubber Ducky Derby this year, which helps raise money for Special Olympics Illinois. (Xinhua/Wang Ping)
