tag:blogger.com,1999:blog-7725154806633928919.post1160772086329883097..comments2024-03-28T08:30:15.957+01:00Comments on Invisible Paris: 19th Century Paris: 'Gaz à tous les étages'Adamhttp://www.blogger.com/profile/06453626318828119830noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7725154806633928919.post-20003014743486421692011-10-31T17:04:53.578+01:002011-10-31T17:04:53.578+01:00Very interesting, as always! ... and I learnt the ...Very interesting, as always! ... and I learnt the origin of the expression "travailler au noir"! :-)PeterParishttps://www.blogger.com/profile/09694538476960957295noreply@blogger.com