Uploaded on 2015-11-21 by EmStancheva

**Fresh water** supply in Sofia- mostly from rivers running in the nearby mountains Vitosha and Rila (rivers Boyanska, Levi Iskar, Cherni Iskar, Beli Iskar) and the "Iskar" dam. ![enter image description here][1] sourse: http://www.viksofia.com/main.php?action=about **Regulating services** **Local Climate and Air Quality** The proximity of Vitosha mountain and the big parks in the heart of the city are the biggest regulators of air quality and climate in Sofia. ![enter image description here][2] sourse: https://www.senderismoeuropa.com/wp-content/uploads/2015/09/sofia-8.jpg ![enter image description here][3] sourse: http://stavrev.net/wp-content/uploads/2012/11/borisova_gradina_pogrebite_martin_angelov.jpg **Habitat or Supporting services** **Habitats for species** As part of NATURA 2000 there are a number of protected areas around Sofia and in Bulgaria in general. ![enter image description here][4] source: http://www.sofproect.com/ovos_web.aspx?AspxAutoDetectCookieSupport=1 **Cultural services** **Recreation and mental and physical health** Park "Borisova gradina" is one of the biggest parks in Sofia. It's location in the center of the city makes it a popular destination for recreational activities, especially in the summer. In the winter Vitosha mountain is a popular skiing destination. ![enter image description here][5] [1]: https://edxuploads.s3.amazonaws.com/14481060241885873.jpg [2]: https://edxuploads.s3.amazonaws.com/14481063328205219.jpg [3]: http://stavrev.net/wp-content/uploads/2012/11/borisova_gradina_pogrebite_martin_angelov.jpg [4]: https://edxuploads.s3.amazonaws.com/14481073873196038.jpg [5]: http://www.cross.bg/photo_new_gallery/2010/10/16/84074431cfd161ecaeaa30199b9fc591.jpg sourse: http://www.cross.bg/photo_new_gallery/2010/10/16/84074431cfd161ecaeaa30199b9fc591.jpg