Concepcion Gimenez, physical anthropologist and academic responsible of the 'Osteoteca' (osteological collection), at the Anthropology National Museum (MNA), piles up boxes with skeletons at the MNA facilities in Mexico City, March 9, 2018. The MNA houses one of the most important osteological collections in the world, with more than 25,000 skeletons, and more than 30 mummies. (Photo/Agencies)
