Before we went into the ice restaurant, they "kept" us first in a regular part of the restaurant, where we sipped warm ginger tea. They also gave each of us a hand warmer to get us ready. After about 10 minutes, we were led to the actual ice restaurant next door. There was a heater under the table and we used a blanket to cover our legs and all that in full winter clothing. We still managed to create a lot of steam....