Sources
https://www.stamptopia.com/products/ohio-outline-rubber-stamp
https://www.silhouettedesignstore.com/view-shape/274506
https://pngtree.com/free-icon/honeybee_581420
https://thpix.com/media/504403226998507519/
http://www.itaniumsolutions.org/pkey/green-ombre-wallpaper/
https://www.spoonflower.com/collections/15775-ombre-by-megankaydesign
https://weheartit.com/entry/77785502
https://wallpaperbro.com/green-yellow-ombre
https://untappedcities.com/2016/11/07/new-nyc-subway-map-updated-to-include-a-more-accurate-depiction-of-brooklyn/
http://www.urbanrail.net/am/chic/chicago.htm
https://www.amazon.co.uk/Photography-Graduated-Background-backdrop-Printing/dp/B00F1T1ZFY