I used the 7 days pass and it was great. It includes everything, metro tickets, entrances to attractiions, very usefull maps and guide with excellent descriptions. The trick is to plan in advance to get the best use of it. Having it opens, if not all, most doors to know Paris in a very comfortable way. Plus I made a calculation and saved a great deal of money. Strongly recomended.
Compared to NY pass its way much better...
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