whistle – v. to make a high sound by blowing air through your lips or teeth

heritage – n. the traditions, achievements, beliefs, etc., that are part of the history of a group or nation

pattern – n. a repeated form; something that happens in a repeated way

practice – n. something that is done often; a custom or tradition

solidarity – n. feeling of unity between people who have the same interests, goals, etc.

bond – n. something shared between people or groups that forms a connection between them

artificial – adj. not natural, but instead made by people