Officials at the Wroclaw Zoo in the southwestern Polish city of Wroclaw said the tigers – a critically endangered species whose numbers have dwindled to around 400 in the wild – were born on July 22.

One of Wrocław’s most enduring icons, the elegant double-spires of this Gothic building stand like sentinels at the end of ul. Katedralna, and its elaborate portal is one of the most valuable medieval ...