GREAT POST..
Enlightening posts. A good job by taking historical literacy and careful observation. I live in a country far from Poland, but we learned the history of how the second world war erupted, one of them was the German attack on Danzig. This attack sparked peace that even between countries that had already agreed to not attack finally became disturbed and involved in the big war.
With the existence of the war, the effort to preserve various animals that may have begun to become scarce is constrained. The threat of hostility and slaughter that always lurks into everyday life. not only the lives of teseut animals but even the human soul that is being sought to be the target of murder in the name of war.
occupational by Germany which of course makes this zoo more damaged. lucky when the war is over the situation changes for the better. The renovation business and its repairs continue to be carried out until now, of course, the better.
Fortunately, Poland has a zoo that is growing rapidly, from only 28 hectares to 40 hectares. My funds came to know through psoting that polar bears were born there. named WARS and SAWA ...
Indonesian pronunciation of WARSAWA, as the name of the Polish capital, turned out to be the baby name of a polar bear which is certainly very proud. Successfully breeding polar bears, one animal that certainly requires great effort to succeed in doing so.
with a beautiful photo, nice scenery, cute animals, a scene that certainly gives more fun to this post. You work hard to get this angle of photograph.
I enjoy so much both your photo and your explanation.

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Warm regard from Indonesia