LOS ANGELES (KABC) —

From Los Angeles to San Diego, supporters and protesters are gearing up for a visit from President Donald Trump, his first visit to California as president.

His first stop on Tuesday will be in San Diego County to see the eight prototypes for his proposed border wall, even though questions remain about how the wall will be paid for. All eight models are between 18 to 30 feet high and 30 feet long. Four are made of concrete, while the others are made of alternate materials.

On Tuesday, Trump is expected to be briefed on lessons learned from the prototypes’ construction and meet with border agents and officers to ask what they need, said Jonathan Hoffman, Homeland Security spokesman.

The president is determined to fulfill his campaign promise and will not be swayed by California Republican lawmakers concerned the wall is…