www.tethys.cz
easy diving

www.yenda.net
nude art, travel photos, portraits

www.temnakomora.cz
all you need to know about classic photography (in Czech only)

www.alternativephotography.com
pages and community focused on alternative photography printing, a lot of information on platinum and palladium printing and gallery

www.apug.org
pages related to analog photography including alternative processes (more languages)

www.bostick-sullivan.com
chemicals, kits and equipment for alternative photography printing including platinum and palladium