Many of the 3 million Ukrainians who found safe harbor in Poland amid war at home now find themselves at a crossroads: Build a new life in Poland or return to Ukraine?
When the Nazis wiped out Jewish life and culture during World War II, it was hard to imagine it would ever come back in Poland. But it is starting to return. Though it's not Jewish people who are leading the way.
Several new studies in recent months have added new complications that can be linked to over-exposure to pollution from automobile traffic.