Phnom Santuk Mountain has many Buddha statues caved from great mountain rock including three big Buddha statues reaching Nirvana,each measure than 10 meters length.Phnom Santuk has changed names to Chorn Chong Kiri and Phnom Krop Tuk.Chan Chan Dare or Chan Chare are called two pieces of stone by local people that join all together in marked symbol and made in small hole.When the passenger arrived there,they always dropped cash coins (ancient coins)into this small hole.When cash or coins are dropped in,it makes soft weak voice like a voice of the birds sing or music with happiness.So they did that since ancient perion.