In regards to very tall bamboo scaffolding...
A related side topic here might include near famous Indonesian disregard for safety - or at least willingness to overlook it. One of the reasons I was told that by Indonesian workers in Malaysia, whom there are many of. They’re willing to work cheaper and do more dangerous jobs.
KL in particular has a ton of skyscraper work being done by Indonesians and I saw first hand the lack of what i would consider appropriate safety.