his band, navicula, are rock and roll royalty. gede: i love rock and roll so much because in concert we can collect a concentration of audience in one place. even the religion is transferred by shadow puppet, by theater. so, what's the difference with this--with the rock and roll? matt: today, robi is putting the final touches on his film entitled "pulau plastic," translated, means "plastic island." gede: in indonesia alone, more than 93 million plastic straws are used every day. more than 500 million plastic bags, single use plastic bags, is used every day. matt: produced with local ngo kopernik, this film is a shift for robi from years of frontline activism. he wants this documentary to put pressure on decision makers. gede: in bali, the tourism industry and the waste that created by this industry has also become a problem. more people come, then more waste. it's such a, like a, it's [speaking foreign language] male: logical. gede: it's really logical, right? what is important for us is prevention. matt: robi believes that the a