Source google image: http://maisonrt2012.balusson.net/public/Apres_la_construction/Terrasse/2016-04-16_11.32.53.jpg
Terrasse fluviatile
Source google image: http://maisonrt2012.balusson.net/public/Apres_la_construction/Terrasse/2016-04-16_11.32.53.jpg