Old Town Barbican defensive bastion built in 1498, Krakow (Cracow), UNESCO World Heritage Site, Poland, Europe

afternoon white space vertical urban unesco world heritage site turret travel destinations travel tower spire security safety protection polish poland photography outside outdoors old town nobody negative space morning metropolitan landmark krakow history historical landmark historical fortress fort european europe eastern european eastern europe defensive bastion defense defence day cracow copy space colour color image color city castle built in 1498 brick bastion barbican architecture