Global warming is expected to result in the retreat of permafrost.
The Gheorgheni Skating Rink -LRB- Patinoarul Artificial Gheorgheni , `` The Gheorgheni Artificial Skating Rink '' -RRB- is a multi-purpose hall in Gheorgheni , Romania .. Gheorgheni. Gheorgheni. Romania. Romania. It is frequently used for concerts , indoor sports such as ice hockey , exhibitions and shows .. ice hockey. ice hockey. The hall has a seating capacity of 2,000 .