Silent Killer: Asbestos, A Forgotten ThreatDo you remember the rough, hairy material on old houses? This seemingly ordinary material is actually a Group 1 carcinogen recognized by the World Health Organization and banned in over 60 countries! Just one kilogram of asbestos contains millions of "sharp needles," enough to erase a flourishing town from the map and make countless people pay the price with their lives. However, this seemingly harmless but deadly building material is commonplace in rural China...