A sightseeing route running through the Tateyama mountain range in central Japan's Northern Alps opened Monday, offering views at one point of snow walls as tall as 17 meters each side of the road.The Tateyama Kurobe Alpine Route, which connects the town of Tateyama in Toyama Prefecture and the city of Omachi in Nagano, is popular with its spectacles of mountains, valleys and waterfalls.Until June 22, visitors can walk through a pathway next to the high snow walls, called "Yuki no Otani" (Huge valley of snow), created by snow removal work. It is forged through the Tateyama Murodo plateau at…READ FULL ARTICLE