... In Lanham, Rajashekar worries when he looks up to the temple's ceiling. The panels are dotted with rust-colored spots and streaks, stains from where cracks in the towers have let in rain. The resident shilpi can fix leaks for now. But if he leaves someday, the temple will need another person schooled in temple masonry, Rajashekar said. "If something breaks down," he said, "even an Indian mason ...