Dozens of migrants climb the border fence on Mexico's Tijuana beach attempting to reach the United States. Some manage to reach the other side, while others are detained by Mexican authorities before making it across. In the last 11 months, at least 1.8 million people have reached the southern US border, many of them searching for safety and economic opportunities they could not find in their own countries. ++SEE ALSO: VIDI33WP94M_EN++ IMAGES