TEXT: Paleontologists work to preserve the skeleton of a mammoth that was discovered at the construction site of Mexico City's new airport in the Santa Lucia military base, Mexico, Thursday, Sept. 3, 2020. The paleontologists are busy digging up and preserving the skeletons of mammoths, camels, horses, and bison as machinery and workers are busy with the construction of the Felipe Angeles International Airport by order of President Andres Manuel Lopez Obrador. (AP Photo/Marco Ugarte)