Pecial Geologic Attributes Lead To Nearly Perfect Spheres Of Stone Being Formed

Round shape and dark green cactus (Mammillaria) with white thorns and red pods

• background
• cement
• closeup
• concrete
• construction
• detail
• floor
• grain
• granite
• gravel
• gray
• grey
• ground
• grunge
• hard
• marble
• material
• nature
• old
• outdoor
• pattern
• road
• rock
• rough
• small
• solid
• stone
• surface
• texture
• textured
• walkway
• 3d
• 3D