21 févr. 20201 min de lectureIntensive Course Mis à jour : 4 mars 2020“UNESCO Global Geoparks and Sustainability” 1-10 June 2020http://www.petrifiedforest.gr/geoparks2020/15 vues
“UNESCO Global Geoparks and Sustainability” 1-10 June 2020http://www.petrifiedforest.gr/geoparks2020/
UNESCO designates 15 new Geoparks in Asia, Europe, and Latin America.https://on.unesco.org/Geoparks2020
