The perpetual wall calendar is a beautiful collage of photos that Littlebrownpen has collected while in Paris. Chalkboards, license plates, doorways, bottles, monuments. 49 glimpses of Paris that capture the the essence of the city at street level. All you have to do is to arrange the photos according to the current month and clip them together using the clear photo clips provided. After that you just have to hang it. Perpetual Wall Calender was an antique interior decoration element which fit to your contemporer theme interior home. The assembled collage is roughly 3ft x 3ft. The idea is very interesting and if you have some time and you love to take pictures you can even make your own version, or buy this one from here.