Does any one know Why basement has dirt smell?

[youyouyou]

My house is almost 1 yr old. When I go to basement, I can smell dirt or concrete. This bother me so much. Could any one please guide me why?

Thank you,

 

[MSH]

是不是湿度太高了，买个抽湿机吧

 

[DDL]

My house is almost 1 yr old. When I go to basement, I can smell dirt or concrete. This bother me so much. Could any one please guide me why?

Thank you,

把风机24小时打开