Melting glaciers reveal historic artifacts. Now, they're on display.

For years, melting ice in the Alps has revealed historic artifacts - some just a few decades old, others stretching back to the Bronze Age. Many of those artifacts are now on display at a museum in Switzerland. The World's Host Carolyn Beeler speaks with Marcel Cornelissen, archaeologist and curator of the Treasury of Ice exhibit at the Glacier Garden museum, about what is on display and how it is preserved.