The document provides details for planning the Danube Aquatic Universe landmarks, including expected guest numbers and occupancy rates. It is expected to be open all year with higher weekend occupancy. Staffing needs vary from 4-5 guests per day during the week to 20-24 on weekends. The spa will include separate men's and women's rooms, 4 treatment rooms, a relaxation area, a 90m2 water play area, and various back office and technical spaces for a total area of 392 square meters.