Odd question: Which (large) countries uses/prefers 12-hour time format (AM/PM)? I understand that US, UK, Canada, Australia mostly use 12-hour (though also 24-hour in some cases). But there must be ...
I know it is forbidden to enter to Muslim's mosques/shrines without proper Islamic cover or having your shoes during walking through temples/tombs/shrines in India and some other Hindu countries or ...
In Japan, Tokyo it is common to see Japanese people walking around with masks like the kind Surgeons wear during surgeries. Why do the Japanese wear masks like Surgeons in Tokyo?