• Air ducts
  • Aluminium
  • Ant colonies
  • Broken glass
  • Bubble wrap
  • Cellophane
  • Cement, concrete
  • Chernozem soil
  • Condensation
  • Cotton candy
  • Electrical outlets
  • Electroconductive gel
  • Electrode stickers
  • Honey
  • Insects carrying & drinking water
  • Oil refineries
  • Oil spills
  • Petroleum jelly
  • Pipes
  • Pouring water
  • Scaffolding
  • Silk
  • Sparkly gray slime
  • Stalagmites, stalactites
  • Tunnels, caves, holes
  • Water reservoirs
  • Volcanic lightning
  • Wool insulation
apr 23 2024 ∞
jul 22 2024 +