ИЗТОЧНИЦИ:
http://bulgariatravel.org/bg/object/22/Ledenika_Peshtera
http://bulgariatravel.org/bg/object/32/Magurata_peshtera
http://www.yagodinska-peshtera.com/
http://bulgariatravel.org/bg/object/204/Peshtera_snejanka
http://bg.wikipedia.org/wiki/%D0%9D%D0%B0%D1%87%D0%B0%D0%BB%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0
http://bulgariatravel.org/bg/object/32/Magurata_peshtera
http://www.yagodinska-peshtera.com/
http://bulgariatravel.org/bg/object/204/Peshtera_snejanka
http://bg.wikipedia.org/wiki/%D0%9D%D0%B0%D1%87%D0%B0%D0%BB%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0