Nice pics Derda, thanks for sharing! The fourth one looks like the passage by the NZ corps through the Tebaga gap...
About wadis, in 2002 I was on a journey in southern Tunisia and witnessed the power of a flooded wadi, which covered the road and threw away some cars (and almost did the same with our bus too). For now, I made them as normal rivers. OTOH, it is true that these were of temporary nature and the 8th Army managed to cross wadi Zigzaou with tanks, so I might modify the geography and mke the wadi only partially flooded.
About the Chott-el-Jerid, for the time being I chose the easiest way, and modelled it as a lake.
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