For the 1998 Winter Olympics in Nagano, Japan, a total of fifteen sports venues were used. Nagano had attempted twice to host the Winter Olympics, losing out to Sapporo, host of the 1972 Winter Olympics. The third time, in 1991, Nagano edged out Salt Lake City to host the 1998 Games. The biathlon venue was adjusted in accordance with the Washington Convention over endangered species. The biggest venue controversy was at Happo'one resort on the length of the men's downhill and the battle that ensued to the point where skiing officials threatened to pull the event entirely before a compromise was reached three months before the Olympics. M-Wave has hosted three World Speed Skating Championships since the Olympics, while the Spiral has hosted a couple of world championships in bobsleigh, luge