65661
He visited Morocco in 1912 and again in 1913 and while painting in Tangier he made several changes to his work , including his use of black as a colour .
 Morocco, Tangier
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Morocco, Tangier