Радиоактивное излучение и регистрация частиц

My  room is big  but  cosy. there is  a bed near the window. there are many pictures and photos on the walls. on  the left there is my desk. there  are some shelves with my books. on the right there is a wardrobe and a sofa,  and an arm-chair.

My room. in my room there are table,bed,my computer. i like my room