TOPSHOT - A doll is seen next to chemical toilets at a temporary shelter where Central American migrants trying to reach the US are staying in Tijuana, Baja California State, Mexico, in the border with the US, on November 29, 2018. - Still stinging from the tear gas that beat back their attempt to breach the US-Mexican border, members of the Central American migrant caravan are starting to lose hope, and in some cases are turning back. (Photo by PEDRO PARDO / AFP)