its kind of cold but not that cold
For most caves, the mean internal temperature is the mean annual temperature of the air outside.
I am not sure what you mean by "crystal cave" - a phrase common to a lot of questions in this section but one I've never seen in speleological literature except perhaps as specific caves' names - but formations do not control the air temperature.
The ISBN of The Crystal Cave is 0688013988.
The Crystal Cave was created in 1970.
At middnight Merlin suffers in the crystal cave
Songs from the Crystal Cave was created in 2005.
There is only 1 crystal cave.
Cave of the Unknown.
Crystal Cave or Crystal Crossing
Crystal and Text are the most powerful gems in the cave
Cerdic
Yes, Crystal Cave has reopened as of Sunday, November 4th. The power has been restored.
The Wind Crystal is in the Altar Cave (you should know that by now) The Fire Crystal is in the Molten Cave (Floating Continent) The Water Crystal is in the Cave of Tides (Surface World, while the surface is still covered in darkness) The Earth Crystal is the the Ancients' Maze (Surface World, surrounding the Crystal Tower)
A Brothel