Grand prismatic spring in Yellowstone national park
usatraveltourAmericaWest coastYellowstoneYellowstone national parkWyominghot springspringwaterlandscapescenicgeothermalgeologyGrand prismatic springthermophylesextremophilesads000003979aditya singh dicky singh
Joydip Suchandra Kundu
on December 11, 2009This's S P E C T R A C O L O U R !!