Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Old Village of Hollókő and its Surroundings' has mentioned 'Construction' in the following places:
Occurrence Sentence Text Source
In the middle of the 13th century, in the aftermath of the Mongol invasion, construction of Hollxc3xb3kxc5x91 castle first began as a means to protect the area against future attacks.