National Geographic Magazine - In this photo by James L. Stanfield, a railway encircles thirty-five blocks of shops, offices, and hotels in Chicago (USA), June 1967. Looks quite different today, doesn't it?
![Dr. Zbigniew Religa monitors his patient's vitals after a 23 hour long heart transplant surgery, 1987 - Rare Historical Photos Dr. Zbigniew Religa monitors his patient's vitals after a 23 hour long heart transplant surgery, 1987 - Rare Historical Photos](https://4.bp.blogspot.com/-A8amR6Cho_4/XQGThBUThII/AAAAAAAAQt4/Pe_mxAepk24TZD2EOcJGSPSezKqG87eIACLcBGAs/s1600/Zbigniew_Religa%2B%25284%2529.jpg)
Dr. Zbigniew Religa monitors his patient's vitals after a 23 hour long heart transplant surgery, 1987 - Rare Historical Photos
![Dr. Zbigniew Religa monitors his patient's vitals after a 23 hour long heart transplant surgery, 1987 - Rare Historical Photos Dr. Zbigniew Religa monitors his patient's vitals after a 23 hour long heart transplant surgery, 1987 - Rare Historical Photos](https://1.bp.blogspot.com/-mxLf6n7L64w/XQGTgigeZfI/AAAAAAAAQts/T7gG1OBMaaEwK3PCtPINdKRRAVADU6NSwCLcBGAs/s1600/Zbigniew_Religa%2B%25283%2529.jpg)