Liberia.
It comes from the Latin word liber which means free and Liberia is a country in West Africa.
Dr luceros team used looters trenches rather than dig new ones because they wanted to protect the site from further damage. This is because to prevent further destructions from their activity.
Because the earth is made of rock. therefore, rock doesn’t grow. However, tectonic plates within the earths crust shift that cause earthquakes and tsunamis.