The Devetashka cave is located 18 kilometers northeast of Lovech and 2 kilometers of the village of Devetaki. The cave is also known as Maarata or Oknata for its seven different-sized holes in the ceiling, through which sunlight penetrates and illuminates the central hall and part of its two fields. & L4 q: {& |" \" f, l The undergroud water was great! Due to the high content of lime in the water, that gives its pale blue color。tvb now,tvbnow,bttvb$ O7 s8 m( ]6 v5 Q) m% C
' `7 R6 |1 U H3 A公仔箱論壇Devetashka cave位於保加利亞,歐洲最大的洞穴,長約1500m,入口高35m,寬55m,洞中擁有11個美麗的地下湖泊: n( x6 B9 A( ] O0 Q) l