sav3mys0ul: Dragonfly in a Wind Tunnel Photograph by Paul Chesley, National Geographic The image of a dragonfly in a wind tunnel shows the pattern of air passing over the insect.
sav3mys0ul: Dragonfly in a Wind Tunnel Photograph by Paul Chesley, National Geographic The image of a dragonfly in a wind tunnel shows the pattern of air passing over the insect.
