What soccer club in Germany has traditionally served as Bayern Munich's key rival in the 'Klassiker'?

Borussia Dortmund

Which science fiction film introduced the concept of replicants? What Lily James-led film involves Beatles music mysteriously erased from the world? In what sport do competitors attack and parry with bamboo swords called 'shinais'? Lake Ohrid lies between Albania and which other Balkan country? Which city’s walls fell after marching, shouting, and trumpets blowing?