Write an e-mail to your englesh penfriend about a popular tourust attrsction in your country where you can see people in special uniforms.

Hello Dear,
I`m very glad to write you again
In my country i can see many people in unifroms, such as doctors ,policeman ,builders ,firefighers ,they have special uniform ,specialy for they professions 
Sorry im need to go ,write back soon.
Best wishes
your friend!