Question: Please determine the decade when this picture was taken? (eg: e.g., 1990s)
Clues:
1. The quality of the color photograph, with slightly faded and specific color tones.
2. The man driving the carriage is wearing a simple, khaki/olive-colored, short-sleeved shirt, which strongly resembles military-style clothing common for civilians during and after World War II 
3. The subjects are part of a circus parade with horse-drawn wagons and costumed performers, a popular form of large-scale public entertainment
Answer: 1940s
Category: Social Interaction and Customs