Sperm bank donor in a room at a sperm bank with accessories to aid the donation process. He is holding a tray and container for the ejaculate containing the sperm to be donated. This donor cabin is part of Cryos International Sperm Bank, Aarhus, Denmark. The world's largest sperm bank, it has stocks of over 170 litres of sperm (around 130,000 samples) that are used for fertility treatments, creating more than 2000 babies each year. Photographed in 2012.