The International Coordinating Council of the Man and the Biosphere Programme Meeting in Paris added 23 new sites to the World Network of Biosphere, including four Bulgarian reserves- Central Balkan Biosphere Reserve, Uzunbudzhak Biosphere Reserve, Chervenata Stena Biosphere Reserve and Srebarna Biosphere Reserve. The Central Balkan Biosphere Reserve is located in the centre of the country and encompasses four existing biosphere reserves-Tsarichina, Steneto, Boatin and Djendema. The reserve contains rare and endangered wildlife species. Uzunbudzhak includes Strandja National Park which is rich in biodiversity and karst caves. Chervenata Stena Biosphere Reserve is located in the south Bulgarian mountains and the local population is engaged mainly in eco-tourism, organic agriculture and stock breeding. Srebarna Biosphere Reserve is located in Northeast Bulgaria. The reserve is rich in biodiversity. It was extended and now includes Silistra Municipality which hosts a series of cultural events.