Every country has its own customs … and, apparently, that extends to the way you get a waiter’s attention. Here’s the full story, plus 14 others:

Source: The Independent

Source: BBC

Source: BBC

Source: Atlas Obscura

Source: BBC

Source: Singapore Ministry of Health

Source: The Independent

Source: CNN

Source: Bangkok Post

Source: BBC

Source: TIME

Source: BBC

Source: National Geographic

Source: VICE
