Introduction to Yikeshu Observation Deck: Yikeshu Observation Deck is opposite Laojun Cave. It was built in July 2003 and is the most famous place for tourists to enjoy the scenery. The Observation Deck is named after a Chongqing city tree - the yellow jujube tree. The iconic landscape - the Observation Pavilion has the functions of viewing, photography, leisure and entertainment. It is decorated with lights on the outside. Many national leaders have visited this place in person.