Photos Of The Day Friday’s Best Photos: A Thick Blanket of Smog and an Australian Green Tree Frog A.C. 0 Sydney, Australia An Australian green tree frog is presented during the launch of the Australian Museum’s FrogID app, which allows people to identify frog calls with their phones Photograph: David Gray/Reuters Pages: 1 2 3 4 5 6 7 8 9 <1 ... 45 6 789>
Sydney, Australia