Survivor China: What will be the environment/climate?

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I am very excited to watch Survivor: China. I wonder if where in China will be the site of Survivor. Will it be on the tropical-like climate provinces of China? Or the mountainous provinces of China wherein the climate is cold. Or will we witness the Yangtze River and the forest of China? For a change, I think that Survivor:China must have a mountainous environment or the locations is in the mountains. The castaways will battle a cold weather, the search for food (many fruits don't grow in cold environments), the roaming of panda bears or wild animals in the mountains, the ability to make a fire in a cold climate and to keep it burning.