in japan , we must divide our rubbish as glass , paper , plastic .
in japan , we cant use mobile phone on the train ( sms is ok )
in thailand , no sale of alcohol after 10pm ( if im not wrong , maybe after
12:00am)
in singapore , no chewing gum .
in singapore , no smoking even outdoor
in singapore , fine for littering .
in other words ..every country have their own strange law....