 
 <translate> Q: Passage: The show is primarily centered on five characters living in Pasadena, California: Leonard Hofstadter and Sheldon Cooper, both physicists at Caltech, who share an apartment; Penny, a waitress and aspiring actress who later becomes a pharmaceutical representative and who lives across the hall; and Leonard and Sheldon's similarly geeky and socially awkward friends and co-workers, aerospace engineer Howard Wolowitz and astrophysicist Raj Koothrappali. The geekiness and intellect of the four men are contrasted for comic effect with Penny's social skills and common sense.

Question: Based on this passage, where is big bang theory supposed to take place?
Let's give stream of consciousness below
 <hau> Tambaya: Passage: Nunin ya fi mayar da hankali ne kan haruffa biyar da ke zaune a Pasadena, California: Leonard Hofstadter da Sheldon Cooper, duka masana kimiyyar lissafi a Caltech, waɗanda ke raba gida; Penny, mai ba da sabis da kuma mai son zama 'yar fim wanda daga baya ya zama wakilin magunguna kuma wanda ke zaune a ƙetaren zauren; da Leonard da Sheldon irin wannan geeky da abokai da abokan aiki na zamantakewa, injiniyan injiniya Howard Wolowitz da masanin kimiyyar sararin samaniya Raj Koothrappali. Gwaninta da hankali na maza hudu sun bambanta don sakamako mai ban dariya tare da kwarewar zamantakewar Penny da hankali.  Tambaya: Bisa ga wannan nassin, a ina ne babban fashewa ya faru? Bari mu ba da rafi na sani a kasa 