Aerial remote-sensing of a large region of Mexico has revealed hundreds of ancient Mesoamerican ceremonial centers, including a large one at an important site for the ancient Olmec culture that is known for its colossal stone heads.
원문출처 : https://www.cnn.com/travel/article/ancient-olmec-site-mexico-intl-scli/index.html
원문출처 : https://www.cnn.com/travel/article/ancient-olmec-site-mexico-intl-scli/index.html