Weird clusters of humps - Algeria

Sorry I wont provide placemarks (you find them attached here), but resolution is better on ZoomEarth to check, whether these can be natural formations or can represent ancient human activity (burials)?

example#1:

ZE link#1

example#2:

ZE link#2

ZE link#3

What do you think of these?

...
EDIT:
Later I have found a rather bizarre looking, eroded surface not too far -check this on GMaps- and thought this probably can be another stage of the same process...(?)

Honestly, we need more people to join this community and start partipating instead of sitting as an audience on the Dr. Phil Show.
Some of these members must know something or possibly take a guess. 

Nevermind old friend, still my questions are quite on the best place around here - You all, dear old fellows always did your best to make me feel this way! 

Even by only you have read them... (:

BTW, I was glad to see increased forum activity by new member leong, who I don't know why I think was been invited by one of us...