Task: Question Understanding
Input (English): Context : The Florentine Prigioni (The Young Slave, the Bearded Slave, the Atlas Slave, and the Awakening Slave) were probably sculpted in the latter half of the 1520s, when Michelangelo was employed at San Lorenzo in Florence (but historians have suggested dates between 1519 and 1534). 
Question : What is the name of the place where Young Slave can be found?
Output (English): collection