Jennifer Viegas: is it true that this dinosaur had two enormous claws on each of its feet?
珍妮佛·维埃加斯：这种恐龙是不是真的脚上各长着两只巨大的爪子？
2
Discovery News' Jennifer Viegas reports that the collection spans over 100 years of photography and features iconic images of nature in the 20th and 21st centuries.