aqua
asparuhovo
bulgaria
canal
canyon
chudnite skali
cliff
cliffy
crag
dalgopol
ecosystem
environment
geological
lake
landmark
massif
mountain
natural
natural phenomenon
nature
outdoor
petrean
pond
river
river bank
riverbank
riverside
rock
rock phenomenon
rocky
steepest
travel
tsonevo dam
water
wonderful rocks
wondrous rocks