Every year, waves of people from around the world make their way to southern California to start a new life and find safe harbour.
Along remote, isolated sections of the border between California and Mexico, many asylum seekers cross illegally, often fleeing violence or persecution in their home countries, and then surrender to border agents; apprehensions among those crossing in the San Diego region recently reached their highest level in decades.
The San Ysidro border checkpoint, connecting Tijuana and San Diego, represents the busiest land crossing
