Children form a drop of water during the national earth day in Zagreb, capital of Croatia, May 10, 2017. The national earth day this year special focused on the wastewater treatment in Croatia. (Xinhua/Borna Filic)
National earth day marked in Croatia
Source: Xinhua| 2017-05-11 07:28:08|Editor: liuxin
KEY WORDS: earth
YOU MAY LIKE
MORE PHOTOS
