My name is Biserka Kamenova and I am a teacher of mathematics and informatics vocational school Vidin Bulgaria. Admin I Site School http://www.pgohvd.com/.
Baba Vida Fortress
Belogradchik Rocks
Our students take prizes in competitions in the profession
http://www.youtube.com/watch?v=rUXESC2kf0E
http://www.youtube.com/watch?v=JMX6xP3Jx2g