Scenes from the many March for Science rallies taking place on Earth Day 2017.
원문출처 : http://www.cnn.com/2017/04/22/us/gallery/march-for-science-04-2017/index.html
원문출처 : http://www.cnn.com/2017/04/22/us/gallery/march-for-science-04-2017/index.html