Alison Dillon and her brother Tom train in top-rope climbing.
Marlon Campos practices bouldering at the Stronghold Climbing Gym.
Two climbers use a top rope setup at the Stronghold Climbing Gym in the Lincoln Heights neighborhood north of downtown Los Angeles.
Brent Boos climbs under the arch of the climbing wall at the Stronghold Climbing Gym, in a former power plant building.
Climbers of all skill levels come to the Stronghold Climbing Gym.
