Links related to Poland presented in somewhat random fashion:
Tatra National Park
(also see Tatra National Park in Slovakia)
Masurian Lakes Biosphere Reserve [Extension and renaming of the former biosphere reserve of Lake Luknajno] (Poland)
This biosphere reserve, originally designated in 1976, is located in northern Poland. With an original surface area of 1,400 ha, the biosphere reserve now covers 58,693 ha with a population of nearly 8,300 inhabitants.
— Ron Mader (@ronmader) July 6, 2017