Took a short video flying over area, then used Meshroom to make the dune model. Modeled separately the wood shack support to drive through. Merged them together then placed on the level. I could have done the dune texture better, but its not like people will stop to look at it.
I had trouble getting an AI decal road used for traffic to go through the other way of making a tunnel, where you delete the terrain mesh chunks you want the tunnel to pass though. So I made a Static mesh of basically what the other way would have made. This way I can lay the AI decal for the traffic with no problem. The other way it would stick to the top of the ground above the tunnel. Surely there is a better way, but not figured it out.
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