Prague Castle stretches the length of a long, narrow hilltop above the city that has (archaeology shows) has basically been a fortress since prehistoric times.
HDR Photography
Prague Castle stretches the length of a long, narrow hilltop above the city that has (archaeology shows) has basically been a fortress since prehistoric times.
Decaseconds 
[…] Prague Castle’s position on a hilltop is apparent from the south side, the opposite side of the fortress is equally isolated from its surroundings by a steep and wooded […]