Hong Kong’s bamboo scaffolding, a centuries-old technique, comes under scrutiny after city’s deadliest fire in years

The Hong Kong residential towers engulfed by smoke and flames on Wednesday were surrounded by an ancient construction material familiar to anyone who’s spent time in the one of the world’s most densely packed urban hubs.

​ The Hong Kong residential towers engulfed by smoke and flames on Wednesday were surrounded by an ancient construction material familiar to anyone who’s spent time in the one of the world’s most densely packed urban hubs. Read More Breaking News, Latest News and Videos | CNN