Indonesia is one of the archipelagic countries, which has the natural wealth of both oceans and the like in the mainland, even Indonesia has its own uniqueness about its own culture and habits in daily activities.
Different areas then different circumstances, we think in the picture in this post, in Indonesia this kind of thing is no longer taboo or is commonplace, but for people from other countries these things become one of its own uniqueness.
Riding a motorcycle without equipping a car is common, if abroad carry their own bike with a helmet
Well ... that's the way it is, so let's say the portrait of life, as the saying goes "lain lubuk lain ikannya, lain daerah lain kebiasaannya", means different regions then different habits.