A boy sitting on a chair beside window, there is e desk and a table beside the w

A boy sitting on a chair beside window, there is e desk and a table beside the window,the boy folds his hands on the table, some books and a little lamp are here on the table,,A prism is on the table. It is the last moment of today's Afternoon, there is cloudy purple sky. the orange light of the sun goes through the prism and goes out on the other side of the prism with rainbow colour, it also reflect the desk and the wall. The boy wearing a glass, Sunlight reflects his glass. he is seeing outside the window, there are seen some houses outside the window and some young boys are playing. The boy also seeing a road which has some lampposts with sodium-vapor light.