Metro map: Barcelona, Spain. (Photo by Jug Cerovic)





Metro map: Beijing, China. (Photo by Jug Cerovic)





Metro map: Berlin, Germany. (Photo by Jug Cerovic)





Metro map: London, England. (Photo by Jug Cerovic)





Metro map: Madrid, Spain. (Photo by Jug Cerovic)





Metro map: Mexico, Mexico. (Photo by Jug Cerovic)





Metro map: Moscow, Russia. (Photo by Jug Cerovic)





Metro map: New York, United States. (Photo by Jug Cerovic)





Metro map: Paris, France. (Photo by Jug Cerovic)





Metro map: Seoul, South Korea. (Photo by Jug Cerovic)





Metro map: Shanghai, China. (Photo by Jug Cerovic)





Metro map: Tokyo, Japan. (Photo by Jug Cerovic)