Rocks.

Blue Mountains
Close-up image of layered red and brown sandstone rocks with textured surfaces and natural formations.
Close-up of a stack of rough, textured desert rocks with warm, earthy tones and shadows cast by sunlight.
A narrow crevice in a large rocky formation with layered sedimentary rocks in shades of tan, beige, and brown.
Close-up of layered sedimentary rocks with some chalk markings on the surface.
Close-up of a reddish-brown rocky cliff face with patches of green moss and small plants growing between the rocks.
Close-up view of layered sandstone rocks with reddish and tan hues, showing various textures and natural formations.
Close-up view of layered rocks with various textures and shades of brown and tan, showing natural erosion and geological formations.
Close-up of textured layered rocks with various shades of brown, beige, and white.
Close-up of layered, weathered rock formations with shades of brown, tan, and reddish hues and various textures and cracks.