Over 750 of William Gray's travel photographs can be found on AWL Images, one of the leading agencies for premium stock photography. Click here to visit their website.
Click here for information on wildlife photography, including 16 top technique tips, ranging from lighting and composition to exposure and depth of field.
Click here to view a selection of William Gray's travel images.
William Gray shares his top tips for shooting the elusive aurora borealis, including essential advice on gear and camera settings.
Click here to download a guide to what's inside William Gray's camera bag