Yes, the rock is at an angle and the time was about one hour before sunset. They come to rest to the exact same spot and as soon as they land they orientate so their back if facing the sun, that’s pretty curious, perhaps they were trying to heat their prescious wings or try to hide their eyes from the bright sun. They were pretty active courtshipping in flight where you can see up to three or four chasing the ladies, lol. Within half an hour they were all gone. It was almost a magical experience :)