Bao Bao's big day: Baby panda Bao Bao ventures outside at the National Zoo

National Zoo giant panda cub Bao Bao has ventured outside for the first time.

The zoo says Bao Bao spent about two hours outside Tuesday with mother Mei Xiang . The zoo says Bao Bao tried out her climbing skills on one of the smaller trees and sat on the grass with a piece of bamboo.

Zookeepers had said Monday that Bao Bao would have the option of going outside if the temperature was at least 35 degrees and it was not raining or snowing.

Animal keepers "cub-proofed" the panda yards before allowing Bao Bao outside. They placed collars on trees to prevent the cub from climbing too high. Some tree limbs have been trimmed, and the keepers spread out bales of hay to cushion any falls.

Bao Bao was born August 23, 2013, and her name can be translated as "treasure" or "precious."

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