More than 20 visitors at a popular temple in Kyoto complained of throat and other pains Wednesday morning following a strange chemical smell, with four of them hospitalized, local authorities said.None sustained life-threatening injuries in the incident at Nanzenji temple. It is not yet known what caused the smell, the temple said.The pungent odor is believed to have emanated from around a toilet located near the Zen temple's main building, which is designated as a national treasure. Around 70 people evacuated the temple.Visitors received emergency medical treatment on the premises of the t…READ FULL ARTICLE