abstract appearance breakable broken brown calcification calcium calcium-carbonate color colors colour colours cook cooking dried dry egg egg-shells eggs eggshells empty external food fragile fragility fragmentary fragments hard-shelled hollow idiomatic-expressions inside internal leftover leftovers life outer-covering outside oval ovoid Remains scattered scattering speckled surface surfaces texture textures white yolk idioms brown-eggs chicken-eggs colored coloring coloured colouring farm-fresh fresh fresh-eggs haemoglobin hemoglobin hens-eggs mottled mottling oviduct pigmentation pigmented-shells pigmenting protoporphyrin surfacing textured variety various air burning carbon Cheshire chimney cloud clouds cloudy CO2 coal coal-fired condensation contrast cool cooling copy.space copyspace dark desaturated dioxide electric electricity energy environment environmental factory ferry fiddlers fired fossil fuel fume fumes gas generate generating generation generator ghg green greenhouse grid high house industrial industry landmark large methane national natural nuclear plant pollution power sky skyline smog so2 stack stacking station steam sulphur tall three tower vapor vapour water weirdvis