FILE - Mike Lafferty, Eugene, Ore. in Sapporo non-stop training run of Olympic men?s downhill on Mt. Eniwa track in which he finished fifth, Feb. 6, 1972. The northern Japanese city of Sapporo is set to announce on Monday, Nov. 29, 2021, what it says will be a reduction in costs that will make it an attractive venue for the 2030 Winter Olympics. (AP Photo/Michel Lipchitz, File)

FILE - Members of Japan's self defense ground forces raise Olympic Flags on Sunday, Jan. 23, 1972, in Sapporo at Makomanai speed skating stadium in rehearsal of ceremony to take place February 3 at official opening of Winter Olympic. The northern Japanese city of Sapporo is set to announce on Monday, Nov. 29, 2021, what it says will be a reduction in costs that will make it an attractive venue for the 2030 Winter Olympics. (AP Photo/Mitsunori Chigita, File)

FILE - Fourteen athletes of the fourteen teams compete in the men's Olympic 4x10 kilometers cross country relay in Sapporo, Feb. 12, 1972, at the start of the race. The northern Japanese city of Sapporo is set to announce on Monday, Nov. 29, 2021, what it says will be a reduction in costs that will make it an attractive venue for the 2030 Winter Olympics. (AP Photo, File)