(A landslide in April 2023 damaged the historic Casa Romantica Cultural Center and Gardens in San Clemente. ) “I watched the bluff erode right in front of my eyes,” said Behrens, executive director of the nonprofit group that operates Casa Romantica. (Gary Coronado / Los Angeles Times)The Casa Romantica landslide is the latest in a season of crumbling cliffs in California following a winter of remarkably wet and powerful storms. Later that month, a landslide in San Clemente prompted evacuation of four oceanfront apartment buildings. Meanwhile, the ground beneath Casa Romantica — which continued to shift for days after the landslide — has stabilized in recent days.