sentences:  Garden collections include "Aconitum", "Camellia", "Gentiana", "Glycyrrhiza", "Papaver", "Rheum", and native wild flora, as well as a greenhouse, insect hall, and a Japanese garden.The Higashiyama Sky Tower allows visitors a view of Nagoya from its observation decks, and also features a restaurant 100 metres above ground.As of 2010, Higashiyama Zoo had the 2nd most annual park visits of any zoo in Japan, behind only the Ueno Zoo in Tokyo.