のインスタグラム：「Happy opening day, #DeepTime! After being closed for five years, the dinos (plus about 700 of their closest fossil friends) are back at @smithsoniannmnh. While the hall hasn't been around for as long as the 3.7 billion years of life on Earth, it does have quite a history. Swipe for photos of the museum's fossil hall in 1911, 1931, and 2014.  Planning to visit this weekend? Info on hours, costumes and more you should know at bit.ly/DeepTimeTips.」