A worker installs a portion of a fence along the Danish border with Germany that is meant to stop wild boar from entering Denmark, on January 31st, 2019, near Tonder, Denmark.
Due to Trump administration policies, upwards of 6,000 children were held at the Texas facility over its lifetime. It was the largest migrant child shelter in the country.
Ajo, Arizona: Heavy-duty, non-biodegradable canteens—occasionally insulated with clothing or blankets to prevent chafing—scatter the desert in the Tucson sector of the United States border with Mexico.
Since ancient times, border walls have simultaneously assuaged and stoked our fears of outsiders. But a history of walls can't tell the full story of civilization.