This all changed in 1992 when the Border Patrol built a steel fence south of San Diego from the Pacific Ocean to the port of entry at San Ysidro , Calif. , where Interstate 5 crosses into Mexico .
San Diego
San Ysidro
/location/location/contains
San Ysidro
San Diego
/location/neighborhood/neighborhood_of
LOCATION
San Diego
LOCATION
Pacific Ocean
LOCATION
San Ysidro
LOCATION
Mexico