Ruins of the Wall of Ostrica, also know as Bedem Grebastika, is a medieval defensive and protective wall, Grebastika, Croatia

horizon protection outdoors day daytime defense medieval color colour security landmark boat history sea landmarks ruins landscapes walls tourism historic protective boats defensive peninsula wartime local landmark tourist attractions attractions destinations historical blue sky outside nobody attraction stone destination travel landscape ocean wall color image 15th century water tourist attraction travel destination travel destinations non urban scene place of interest horizon over water fifteenth century croatia adriatic sea adriatic colour image no one no people defensive wall local landmarks circa 15th century places of interest 1497 sibenik county bedem grebastika grebastika wall of ostrich croatian ottoman wars the chinese wall the wall of ostrica