VIENNA.- Vienna-based photo museum WestLicht is celebrating its 10th anniversary with a show on instant photography and for the opening weekend the entrance is free of charge. On its 10th anniversary WestLicht is celebrating the never-ending fascination of instant photography. The Viennese photo museum showing a representative cross section of Polaroid inventor Edwin Herbert Land’s legendary collection. From the 1960’s Land began to provide artists with Polaroid material for them to experiment. More than 350 works by around 150 of the international artists and photographers represented in the collection are on display until the 21 August.