https://joy.videvo.net/videvo_files/video/free/2016-01/large_watermarked/Smoke_Dark_13_Videvo_preview.mp4 Coloured Smoke on Black 13 Purple coloured smoke rising against a black background. 1080pabstractbackdropbackgroundblackburningcolorcoloredcolorfulcolorscolourcolouredcolourfulcoloursconvectioncurrentcurrentsflowflowingliquidmorphmorphingmulticoloredmulticolourmulticolouredpurplesatinscreensaversmokesmokingsmokysmoky16velvetvfxvibrantVJwispwisps