Cradles of Glass is a primer on the glass cloud sponges of British Columbia Canada. These sponges are delicate organisms and are in dire need of protections.
Since production the 9 reef sites mentioned have received some protections and the BC Park reef has received full protections.
Video kindly shared by Roy Mulder in Vancouver, British Columbia.
Learn more at: http://cmeps.webs.com/
Video Copyright, Roy Mulder