The cruise industry was already booming in Alaska, but some locals say its continued growth is putting a strain on the environment tourists come for.
At least twice in the last few thousand years, Mount Churchill's ice-covered caldera has spewed ash that reached as far as ...
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来自MSN16 Unbelievable Alaska National Parks!Alaska National Parks are a must-see for any National Park fan! There is just something about Alaska and the wild beauty ...
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