2. References :
The bible…
The great Mr. Chat website
http://monsieurchat.free.fr/Public/ListeSI.php
As well as many others
http://parifuni.over-blog.com/tag/localisation%20des%20mosaiques%20parisiennes/
http://parifuni.over-blog.com/article-17387737.html
http://yoyo.ows.fr/400iso/?page_id=371
http://sitayoyoso.free.fr/invaders/arrondissements/carte.htm
http://spaceinvaders.mosaic.free.fr/?page_id=59
& Flickr and Instagram…