An El train on the Elevated train system crossing Wells Street Bridge, Chicago, Illinois, United States of America, North America

alternative transportation architecture bridge chicago city color image crossing day el train elevated train elevated train system highrise illinois journey motion nobody north america outdoors photography public transportation river subway train transportation travel united states united states of america urban vertical waterfront wells street bridge america american americas color colour daytime il intersecting metropolitan movement outside skyscraper tour tower transporting traveling travelling trip us usa underground us usa vehicle water