michaelciccone.com – artist info
walkway.org – Walkway Over the Hudson
upperlanding.org – Upper Landing Park
flickr.com/photos/michaelciccone/sets/72157624297864878/ – Walkway Sculpture on Flickr
youtube.com/view_play_list?p=2BED3D94E22BA22B – related videos on YouTube
www.cunneen-hackett.org – Cunneen-Hackett Arts Center