Explaining Everything on Instagram: "A worker swings a heavy hammer attached to a long rope down a chimney shaft, smashing old terracotta flue tiles piece by piece. With every impact, shattered clay cascades downward like a continuous waterfall of debris, creating an oddly satisfying, ASMR-style visual that’s impossible to look away from. This process is known as flue tile breaking, a standard step in chimney relining. Over time, clay liners crack and deteriorate due to heat cycles, moisture, an