bouillon belgium. view of the semois river and the old bridge from the walls of a medieval, fortified, bouillon castle in belgium.

ancient architecture ardennes beautiful belgian belgium belgiumbouillon bouillon bridge building buildings castle city courtyard day entrance europe famous forest fortified grass high hill hills history horizon house houses impregnable inner medieval mountains norman north old overlooki overlooking panorama powerful reflection river roof roofs santa semois slopes small stone summer sunny tiles tourism tower towers town travel view views village visible walls