Raymond Redner cleans a kiosk at Death Valley, which has lost 42 positions over the last several years, with 106 remaining. Because of slashed budgets, some parks must rely on volunteers to clean up campgrounds. (Wally Skalij / LAT)
Pete Thomas is up to his waist in zebra sharks at the Aquarium of the Pacific, where it’s feeding time. (Bob Chamberlin / LAT)
