The requirements for documents needed at check-in depend on the type of accommodation and the applicable regulations. For hotels and other accommodation facilities, a Russian passport, an international passport, or a driver’s license may be accepted. For apartments, serviced apartments, and other properties where check-in or contract conclusion is carried out according to the rules of a specific property, the required documents are determined by the property itself. Please note that the property will contact you after booking with instructions on how to make the prepayment. Prepayment must be made within 5 days after booking. Otherwise, the booking may be canceled. The sanatorium offers the following methods of recovery: Immuno Detox - detoxification and stabilization of the acid-base balance with the help of microalgae. Free Breathing - recovery of lungs after pneumonia, help with asthma, allergies, sarcoidosis. Strengthening the Back - restoring the flexibility and performance of the spine, strengthening the joints and the musculoskeletal system. Detox Organic is a natural, organic method of cleansing and restoring the body. Therapeutic starvation is a reboot of the body at the cellular level.