map of the shipka pass based on the russian general staff map of bulgaria - 巴爾幹山脈 幅插畫檔、美工圖案、卡通及圖標地圖, 保加利亞
panoramic cityscape of mostar, featuring traditional architecture, minarets, and the surrounding dramatic mountainous terrain - 巴爾幹山脈 幅插畫檔、美工圖案、卡通及圖標
central balkans, balkan mountains, bulgaria, wood engraving, published in 1894 - 巴爾幹山脈 幅插畫檔、美工圖案、卡通及圖標
