Day 6 : Glacier Bay(Cruising)
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Preserved as a National Monument, Glacier Bay is an extraordinary collection of glaciers in a contained region. Only two ships per day are permitted to enter the bay during the summer months, when whales come here to feed. The ice in Glacier Bay fell as snow, hundreds of years ago, on the icefields in the mountains above. Compressed by its own tremendous weight, it slowly flows through valleys to the sea, where in some cases, it breaks off in great chunks called calves, to float free as icebergs and "bergy bits."