appearance base building concrete concrete-pad concrete-pour concrete-work concreting construction edged edging fill filling flat flatten flattening form forming foundation foundational gray grey level leveled leveling levelled levelling mix mixed poured preparation prepared preparing rough smooth smoothing solid solidify spread spreading strength strong sunlight surface surfaces textures tools wet work working accumulated accumulations aged calcium-carbonate cave cavern caving ceilings coloring colouring columns compounds crystallisation crystallization crystallize deposits distinctive edges formation forms geological geology icicle-like limestone mineral-deposits minerals old Particles pointed shape shaped shapes slow slow-growth slowly speleology speleothems spelunker spelunkering Stalactite stalactites subterranean texture Underground unusual annuals berry colorful colourful cut edible fruit egg-shaped elongated flavor flavour food fruit glossy healthy herbaceous inside juicy love apple mild nightshade family pear-shaped perennials red ripe round salad food savory savoury seed pods seeds shiny smooth-skinned snack food Solanaceae solanum sweet tasty tomato tomatoes varieties variety vines abstract architectural architecture backdrop background barrier basic brick brick-wall bricks brickwork color colored colors colour coloured colours constructed exterior external linear lines mortar perspective perspectives secure security standard style surfaced textured traditional-brick-wall variation varied various wall walled wallpaper well-built vine