Song River in Laos called Guilin landscape... * Song, a tributary of the Mekong River 2013.07.29 16:42:54 | Canon EOS 60D | ISO 400 | F/5.6 | 1/1250s | Aperture Priority | Spot | EV 0.00 | Auto W/B | 22.00mm(Sigma Lens AF 18-200mm F3.5-6.3 II DC OS HSM) | Flash: Off, surpressed | Photograph by Kang Hyun-tae