We already made available to you the original wallpapers of OS X El Capitan 10.11 It's from iOS 9, but the latest beta versions of both brought new ones on OS X, 15 on iOS!
Here's a preview of them all:
You can download all of them here, in a single 58MB ZIP.
(thanks: Craig Federighi (HairForceOne), Antonio Cavalcante and Hector Castro)
