A bone found by the 'VI National Brigade of Search for Missing Persons (BNBPD)' rests on a rock in Yecapixtla, Morelos, Mexico, October 14, 2021. After several hours of searching in La Barranca ravine, members of the search group located fragments of bones that will later be analyzed to discover if they are human or animal remains. REUTERS/Mahe Elipe