All visual content, including photographs, images and video materials posted on the site are used legally: either purchased from copyright holders on a reimbursable basis, or used on the basis of a license purchased from photo stocks, or taken from open sources on the Internet in the absence of links for authorship, or created by employees of our company. If you claim the authorship of any photographic materials and object to their use on this site, please e-mail us: info@wattstream.co.uk