Sea ices crowded together on surface of Kushiro River. During the coldest time of winter, you will see "Lotus Leaf Sea Ice" that is a large round shape sea ice created by movements of waves and other floating ices. Kushiro, Hokkaido 02-11-2020 釧路川にびっしりと浮かぶ氷 これは海氷と呼ばれ、結氷した水面が波などの揺れで割れることによって起こるそうです 私…