Magura Cave; Bulgaria; interior: Generell view into sanctuary hall with rock paintings made of bat guano droppings; to the right and illuminated oldest European solar calendar; background: Magura Cave; also called Rabisha Cave is located in northeastern Bulgaria; 17 km from Belogradchik; in the limestone Rabisha burial mound (altitude: 461 m). It consists of main gallery and three side branches. The overall length of the cave is app. 2500 m. The temperature in the cave is a constant 12?C. Magura Cave started to shape 15 million years ago. In one of the caverns prehistoric paintings have been discovered; carved into the walls and decorated with bat guano (droppings). The paintings depict silhouettes of women; men dancing and hunting; people wearing masks; animals; stars; tools; and plants. The paintings date from different eras - the early Paleolithic; the Neolithic; the later Neolithic; and beginning of the Bronze Age. Youngest paitnings are from 1200 BC. A solar calendar from the late Neolithic found there is the earliest solar calendar discovered in Europe. It is painted on the walls of the sanctuary hall and depicts 5 festival events or season and 366 days. Magura Cave is candidate as UNESCO World Heritage Site. Visit also Magura Winery & Cave! Situated next to village and lake of Rabisha (the biggest Bulgarian sweet water reservoir and a nature beauty); 15 million years old Magura Cave is the largest of its kind in the country and houses outstanding; 2007 - 2011 restored; Neolithic and early Bronze age rock paintings; made of bat guano and realized until 1200 BC. One part; the Magura Bat Gallery; is the place for ageing of selected wines at a constant temperature of 12? and appropriate humidity. Test famous dry and best Bulgarian sparkling wine "Magura"; a 2006 "Cuv閑 du Nord" from the Rendezvous series; whose selection 2003 became first Bulgarian wine honored with the prestigious Silver Medal of Decanter World Wine Awards. And do not forget to ask for the g