Glad to help. Remember Atlanta is known as one of the best cities for street art. Hope this info has been entertaining. 
 Sorry, don't know about sister cities. But I can tell you about the Atlanta Hawks. They began in 1946 as tri-cities Blackhawks. 
 Do you have any geography facts about Atlanta? 
 Sorry, I don't know about the economy. But I can tell you about their government. Atlanta has been a stronghold for the Democratic party. 
 Can you tell me about their government and politics?
Glad to help. Remember Atlanta is known as one of the best cities for street art. Hope this info has been entertaining.