White-collar workers, backbones, and elites: These people are usually busy at work, lack exercise, have irregular lives, and are under great pressure.

Natural corrosion resistance: Both red cedar and hemlock contain natural antiseptic substances, which can resist the invasion of fungi and insects, and

Finnish origin theory: The word “sauna” comes from Finnish, and its original meaning is “a cabin without windows”. This name is related

Traditional Finnish sauna: This sauna style uses a wooden sauna room and a stone stove. Steam is generated by sprinkling water on