![French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO\'s recognition of the island as a World Natural Heritage site. (Photo/Agencies)](http://www.ecns.cn/hd/2019/03/13/b779b67fedc6416cab509dd5af039712.jpg)
French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO's recognition of the island as a World Natural Heritage site. (Photo/Agencies)
![French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO\'s recognition of the island as a World Natural Heritage site. (Photo/Agencies)](http://www.ecns.cn/hd/2019/03/13/4ebca0ed586b464088238440390e13f2.jpg)
French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO's recognition of the island as a World Natural Heritage site. (Photo/Agencies)
![French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO\'s recognition of the island as a World Natural Heritage site. (Photo/Agencies)](http://www.ecns.cn/hd/2019/03/13/967dc8db44a4418c8ad404b87365407d.jpg)
French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO's recognition of the island as a World Natural Heritage site. (Photo/Agencies)
![French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO\'s recognition of the island as a World Natural Heritage site. (Photo/Agencies)](http://www.ecns.cn/hd/2019/03/13/66aedb3172ee4d928bcba8f7c97cbfd2.jpg)
French scientists recently explored Madre de Dios Island in southern Chile, climbing ice and passing through caves. The Chilean government is actively seeking UNESCO's recognition of the island as a World Natural Heritage site. (Photo/Agencies)