This is the 3063rd most frequent Russian word.
известных
"Famous" or "well-known."
In this sentence, 'известных' is an adjective referring to artists who are recognized or well-known.
На выставке были представлены работы известных художников.
The exhibition featured works by well-known artists.
Here, 'известных' describes authors, indicating their prominence or fame within literature.
Мы изучаем произведения известных авторов русской литературы.
We are studying works by famous authors of Russian literature.
In this instance, 'известных' modifies 'достопримечательностей,' signifying that the landmarks are widely recognized or notable.