This webpage shows copyrighted content, with all rights reserved (c). Do not let yourself fooled by finding images without a watermark or an individual copyright notice! Please ask my permission to use it - I shall be happy to agree. Clearly, their use would make me feeling good too. See contact on the About page.
You can find a lot of pics on the Flickr! page large enough to be printed at the size of 15*13cm for your own viewing pleasure. If your are a business customer or want to enjoy any of the images in larger size, please contact me or license the images from Getty as some already did.