Picture Of The Day Post a picture for the day. Limit to one picture per day per person. You must add caption/description to the picture. Ill start it out. The Plitvice Lakes are a series of sixteen lakes interconnected by spectacular waterfalls, set in a deep woodland and populated by deers, bears, wolves, boars and rare bird species. A UNESCO World Heritage Site, the lakes are renowned for their distinctive colours, ranging from azure to green, grey or blue. The colours change constantly depending on the quantity of minerals or organisms in the water and the angle of sunlight.