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I actually went and got one of the boxes of slide out of the attic.
Oooh... One of the worst places to store anything valuable! Even in Cape Cod the temps in the attic can be quite high, not to mention the salty air and extreme fluctuations in the humidity levels.
Did you know there are actually no slides left of the Revolutionary War?! NONE! Better to move the husband up there and use the new space in the closet/bedroom for storing the slides!
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he moved the slides to his office
So, there's even more room for the slides downstairs! Move his office to the attic!

Of course, if you're gonna use Photoshop, you don't really need any of the slides! Just download a bunch of pretty pictures and paste in your families faces on any people that might be in the scene. That's a lot cheaper than traveling all over creation, also!