My sister Jane is fond of collecting stamps/ I think it is boring. What do you think about it? What hobbies are popular

My sister Jane is fond of collecting stamps/ I think it is boring. What do you think about it? — I think collecting stamps is boring.What hobbies are popular in your country? — Dancing, music, singing and sports are popular hobbies in my country.Do you know anything about unusual hobbies? — A mount climbing is one of the unusual hobbies.