Ngo-1986, edolobheni laseKlisura eningizimu yeBulgaria, kwenziwa iqoqo eliyingqayizivele lemyuziyamu lamazambane, okuheha kakhulu okuyizilimo eziyizigaxa ezihlaba umxhwele. Kungaleso sikhathi-ke lapho isiko lika "Den on the potato" lazalwa khona. Izakhamizi zedolobha zithi kusezweni labo lapho amazambane amnandi kakhulu azalwa khona, futhi ahlonipha kakhulu leli siko.
Leli holide lingokwesiko, elibanjwa minyaka yonke, engxenyeni yesibili ka-Okthoba. Kulo nyaka, ngaphezu kombukiso ojwayelekile wamazambane amafomu ayinqaba kakhulu, kuzoba nomncintiswano wamazambane amakhulu, amancane kakhulu futhi amnandi kakhulu esivuno esisha.