This is the 12600th most frequent Polish word.
natury
The Polish word "natury" means "of nature" in English.
In this sentence, "natury" is used as a genitive singular form of "natura," meaning "nature," to convey 'the beauty of nature'.
Lubię podziwiać piękno natury.
I like to admire the beauty of nature.
Here, "natury" is used to describe the type or essence of the problems, indicating 'of a technical nature'.
Problemy natury technicznej wymagają naszej uwagi.
Problems of a technical nature require our attention.
"Natury" in this sentence refers to 'essence' or 'characteristic' of experimental art, used in a metaphorical sense.