First contribution

Let me introduce myself.
My name is Challenge Five.
Everybody calls me challenge5.
So please call me challenge5.

I am a engineer.
I work for a private company.

I live in Tokyo.
Tokyo is famous for fashion and technology.
Today, I'm so glad to visit my blog.
Thank you very much.

This is Tokyo Tower located in Shiba Park, Minato, Tokyo.

These pictures are views form Tokyo Tower.