accumulation accumulation of snow accumulation of snow on branches branches with snow branches with snow on them cold cold air snow snow boots snowy branches snowy tree branch snowy tree branches winter christmas christmasy fire fireplace firewood holiday winter cold oak leaves oak leaves in winter abstract accretions accumulated accumulations coloration coloring colors colouring colours columns crystallisation crystallise crystallization crystallize deposits distinctive edge edges formation forms glassy layered layers levels light shape shaped shapes slow slow-growth slowly smooth surface surfaces texture textures unusual accumulator alcaline batteries Battery charged electricity electronics energy power voltage aged calcium-carbonate candle-shapes caves ceilings floors icicle-like minerals old Particles pillars pointed Singapore Stalactite stalactites stalagmites subterranean white cave cavern caving compounds geological geology limestone mineral-deposits speleology speleothems spelunker spelunkering Underground art artistic artwork bright color colorful colour colourful decorative down fantastic fantasy formations green lit multicolored multicoloured red suspended UP yellow