Greg DeMartini in Atlas’ “Summer in San Francisco” PartSkating fast and effortlessly through the City, Greg smashes walls and manhandles manny pads with the homies from Atlas. Keep up with Thrasher Magazine here: http://www.thrashermagazine.com http://www.facebook.com/thrashermagazine http://www.instagram.com/thrashermag http://www.twitter.com/thrashermag