The garden was created by temple founder kogaku soko and depicts in sand the waterfall that descends mt . penglai with water spilling over the dam into the ocean , as well as a treasure ship and crane and turtle symbolizing longevity that have been created using rocks . 蓬莱山から落ちる滝、堰を切って大海に流れ込む水をすべて砂で表し、宝船や長寿の鶴亀を岩組で表した開祖古岳宗亘禅師による室町時代の代表的な枯山水庭園。