People walk. past the game of the U.S. Marine Corps' Camp Hansen, in Kin, Okinawa prefecture, southern Japan, on Jan. 6, 2022. Okinawa, a southwestern group of islands, which houses most of the 55,000 U.S. troops in Japan, is among the three prefectures where new restrictions to curb the spread of the coronavirus infections kicked in Sunday, Jan. 9.(Kyodo News via AP)