This Earth is a very wonderful place . This cave is a only one thing of that, This a the power of nature. Human never cant control this nature. 
 Mendenhall Ice Caves, Juneau, Alaska, USA. The incredibly beautiful ice caves are found under a 19 km (12 mi) long glacier. Found in the Mendenhall Valley, the caves are spacious cavities in the blue ice. The warming climate however threatens to melt the whole glacier. Therefore visit it until it evaporates completely.

Although the famous blue caverns from several years ago have disappeared, word of a new cave spread over social media this winter and brought crowds of locals to the glacier.

But while hiking to the cave is a remarkable experience, it also comes with a fair amount of risk. you have to look after about your safe, no one can safe you its on your hands.
We have to protect this wonderful places of this loving Earth.