AIR & SPACE MAGAZINE Flugtag Flyer Human-powered airplanes take wing over Baltimore’s Inner Harbor. November 1, 2006 Human-powered airplanes take wing over Baltimore's Inner Harbor. AirSpaceMag.com Get the latest stories in your inbox every weekday.
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/Flugtag.jpg)