He did it again. After last week’s Riverwalk feature, Flickr member (and Gadling Flickr Pool contributor) Nan Palmero submitted yet another evocative, yet simple photo to the pool. Today’s feature is the Tower Of The Americas in San Antonio, Texas. As the sun starts to set a bit earlier, does your commute home take on a sky like this? Or do you have to get out of town for such vibrant color?