Members of Latvian armed forces prepare to blow up a huge ice congestion in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)

Members of Latvian armed forces prepare to blow up a huge ice congestion in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)

Locals watch members of Latvian armed forces preparing to blow up a huge ice congestion in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)

A huge ice congestion is blown up in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)

Members of Latvian armed forces prepare to blow up a huge ice congestion in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)

Members of Latvian armed forces prepare to blow up a huge ice congestion in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)

Locals watch members of Latvian armed forces preparing to blow up a huge ice congestion in the River Gauja near the central Latvian municipality of Carnikava, Latvia, on March 4, 2021. The Latvian armed forces on Thursday blew up a huge ice congestion in the River Gauja that had threatened to cause major floods in the area. (Photo by Edijs Palens/Xinhua)