Hot spring resorts across Japan are facing water shortages as the influx of foreign tourists drives up usage, forcing some onsen to shut down due to inadequate supplies, local authorities said Saturday.Municipalities have restricted new drilling and called for water conservation, though no long-term solution has emerged as the tourism boom, which has propped up the country's economy, shows no signs of abating, officials added."Water levels are falling, but hot springs remain operational," Daisuke Murakami, mayor of Ureshino in Saga Prefecture on the southwestern island of Kyushu, said at an…READ FULL ARTICLE