michael lyon: mullumbimby is a very diverse community.alternative vibe here, and a lot of people that have a very deep mistrust of government. very health-oriented, and so, a lot of organic health foods here, anti-gmo, big anti-fracking movement. it's probably the anti-vax capital of australia, if not the western world. sean: today, they're gathering for a protest. there's a grab bag of complaints, but most of the people are here to protest against 5g. male: first thing i wanted to say was stop 5g! stop 5g! let's walk. [protesters chanting] sean: they're heading for mullumbimby's lone telecommunications tower. protesters: stop 5g! stop 5g! sean: for months, protesters have targeted this tower over telstra's plans to upgrade it to the 5g network. ♪ we don't need more radiation, ♪ ♪ we don't need more radiation, ♪ ♪ we don't need more radiation. ♪ sean: the protesters here are worried that radio signals from 5g towers could be damaging to their health. female: i don't wanna be a human lab rat, you know? because that's what's happening, they