 In this Wednesday, Dec. 24, 2017 photo, dogs of the Can-geles shelter run and play around the family Volkswagen van in Chapultepec forest in Mexico City. The Can-geles shelter ran by Jair Benavides and Mariam Gutierrez de Velasco is home to about 20 dogs, and a pig, and regularly take in strays, whose numbers vary because they are quickly trained and put up for adoption. (AP Photo/Marco Ugarte) 