This section of the U.S.-Mexico border is one of the most heavily fortified sections where the border wall has been doubled up in some places. Photos: Views from the border The US-Mexico border spans 1,933 miles. Hide Caption 3 of 20 Photos: Views from the border The Rio Grande forms a border between Texas and Mexico. Hide Caption 15 of 20 Photos: Views from the border Tim Foley founded The Arizona Border Recon in 2011, a nongovernment organization which provides intelligence to the US Customs and Border Protection. Hide Caption 19 of 20 Photos: Views from the border A US Customs and Border Protection officer patrols the fence in Otay Mesa, California.

Source: CNN January 28, 2017 01:18 UTC