Landscape composition explained - Part 1: Masses and lines

An interesting viewpoint on Fagradalsfjall Volcano, Iceland, showing one of the vents in the center, sending rivers of lava in various directions. What makes this composition appealing? DJI Mavic 2 Pro, F7.1, 1/30 sec, pano stitch, April 2021. When it comes to landscape photography, composition reigns supreme as the single most important factor that determines the appeal of a shot. It's a complicated subject, and people have different views and opinions about it. But over my...