According to my lonely planet Paris travel guide booklet it will take 9 months to see every thing in Louver and because I was 265 days short! I forget it but a couple of times on my way I check its famous entrance. Only city such as Paris you don't regret not visiting a place like Louver.
2008(c)photo by Saleh Ara canon 300D with Canon 18-55mm EF-S