Introduction to Mi Cube: Tianjin Tianshan Sea World Mi Cube Water Park was officially opened in July 2013. The indoor temperature is 30 degrees throughout the year, the water temperature is 28 degrees, and it is filtered 24 hours a day. The water source is geothermal warm water 3,000 meters underground. The water contains a variety of minerals, which is suitable for bathing and has a certain effect on improving rheumatoid arthritis, gastroenteritis and other diseases and human health.