Image Sources

https://commons.wikimedia.org/wiki/File:AnnArborLibertyStreet.JPG
https://www.flickr.com/photos/ganatlguard/26739424722/
https://commons.wikimedia.org/wiki/File:California_Hall_(Berkeley,_CA).JPG
https://commons.wikimedia.org/wiki/File:University_of_Colorado_at_Boulder_Campus_with_Logo.jpg
https://www.flickr.com/photos/55216053@N00/11300824514
https://ug.wikipedia.org/wiki/Oxayo_Shtati#/media/%DA%BE%DB%86%D8%AC%D8%AC%DB%95%D8%AA:Cleveland-Panorama-JasonRene.jpg
https://en.wikipedia.org/wiki/File:Dallas_view.jpg
https://en.wikipedia.org/wiki/List_of_cities_in_Texas_by_population#/media/File:Downtown_El_Paso_at_sunset.jpeg
https://flickr.com/photos/51889924@N04/35752163231
https://en.wikipedia.org/wiki/File:Louisville_Skyline.jpg
https://de.wikipedia.org/wiki/Memphis_%28Tennessee%29#/media/Datei:Memphis_Beale_Street.jpg
https://en.wikipedia.org/wiki/File:Downtown_Phoenix_Aerial_Looking_Northeast.jpg
https://www.flickr.com/photos/jeffgunn/8237668817/in/photolist-dxWcWH-7SedrZ-ckbqeo-b3wBMV-7KaFcC-7BYDHy-7iDBB1-a2xQg2-7xwcbj-nE5QF5-gj5rE-GSoLY-7P48Bg-daiVQg-7LmCFQ-7S4yUA-7KzvLS-6EYN1X-fnUp7H-a36wSo-9htc6n-bkQhps-jT7HF6-apxy3K-8Te7x1-eYU7vt-9cDGzv-9fsbTn-81te6g-aQvhPP-9fwoMs-aXvg3R-9AibjK-iiMkfu-fM2ZcC-9giFDG-b6sKaK-8EcWkZ-e41gYK-fejXsj-9ErzHu-bzPMEU-ejojxK-wFC4-7HEh5X-A87Z9E-Ca2TaF-7vaup5-7teE6K-edwgy1
https://zh-min-nan.wikipedia.org/wiki/Richmond_%28Virginia%29#/media/t%C3%B3ng-%C3%A0n:Skyline_of_Richmond,_Virginia.jpg
https://commons.wikimedia.org/wiki/File:Downtown_Rochester,_NY_HDR_by_patrickashley.jpg
https://en.wikipedia.org/wiki/File:Sacramento_Skyline_(cropped).jpg
https://www.stockvault.net/photo/111484/san-francisco---golden-gate-bridge
https://en.wikipedia.org/wiki/File:Panoramic_Downtown_San_Jose.jpg