If you need a place to escape the scorching summer heat during your holiday, the underground Karst cave scenic area in Tai'an, Shandong province is the perfect spot for you.

It is located in Qiujiadian town, Tai'an city and is 18 degrees Celsius year-round.

The 3,000-meter-long river for drifting is now the longest underground drifting area in Asia, and offers an exciting experience for tourists.

The drifting journey takes 20 minutes and gives tourists a chance to witness the geological wonders of underground caves.

Crustal deformation that occurred billions of years ago resulted in a great rift valley between Mount Tai and Culai Mountain, which later turned into the biggest Karst cave in the world.

The carve houses a huge variety of stalactites, each with its own unique shape.

The scenic spot is a 4A-level tourist site and attracts over 2 million visitors annually from China and abroad.

Vivid stalactites hang from the ceiling of the Karst cave in Qiujiadian town, Tai'an city, East China's Shandong province. [Photo/WeChat account: SDTXTA]

The Karst cave scenic area in Qiujiadian town, Tai'an is 18 degrees Celsius year-round. [Photo/WeChat account: SDTXTA]

The underground journey offers visitors a chance to enjoy the Karst cave's geological wonders. [Photo/WeChat account: SDTXTA]

The scenic area covers an area of 1.28 million square meters, with 400,000 square meters of wetland providing a place for tourists to enjoy a breath of fresh air. [Photo/WeChat account: SDTXTA]