People visit a Christmas market in Riga, Latvia, on Dec. 3, 2019. (Photo by Edijs Palens/Xinhua)

People visit a stall selling handicrafts at a Christmas market in Riga, Latvia, on Dec. 3, 2019. (Photo by Edijs Palens/Xinhua)

A vendor sells traditional Latvian jewelery at a Christmas market in Riga, Latvia, on Dec. 3, 2019. (Photo by Edijs Palens/Xinhua)

A vendor serves customers at a Christmas market in Riga, Latvia, on Dec. 3, 2019. (Photo by Edijs Palens/Xinhua)

People visit a Christmas market in Riga, Latvia, on Dec. 3, 2019. (Photo by Edijs Palens/Xinhua)