Lake Tsongmo - Tsongmo Lake or Changu Lake is a glacial lake in the East Sikkim India some 40 kilometres (25 mi) away from Gangtok at altitude of 3780 m (12400 ft).The road to Nathu La passes the lake on north side. The Chinese border crossing is only some 5 kilometres (3.1 mi) east-northeast in a straight line but some 18 kilometres (11 mi) by road.Indian Postal Service released a commemorative stamp on the lake on 6 November 2006. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Natural Place