The following pictures contained in this folder

https://stocksnap.io/photo/house-interior-ZZ1IHRDEML
https://stocksnap.io/photo/interior-design-BY59S6FSEP
https://stocksnap.io/photo/abstract-background-RKQU798YK0

are licensed under CC0 1.0 Universal (CC0 1.0)
Public Domain Dedication. More information
at https://creativecommons.org/publicdomain/zero/1.0/

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The following pictures contained in this folder
https://commons.wikimedia.org/wiki/File:Wooden_footbridge_in_Shinjuku_Gyoen_National_Garden,_Tokyo,_Japan,_a_sunny_day_with_blue_sky.jpg
https://commons.wikimedia.org/wiki/File:Long_Room_Interior,_Trinity_College_Dublin,_Ireland_-_Diliff.jpg
https://commons.wikimedia.org/wiki/File:La_Fenice_Opera_House_from_the_stage.jpg
https://stocksnap.io/photo/beach-summer-0M1SPKYTR4

are licensed under the Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license. More information at https://creativecommons.org/licenses/by-sa/4.0/deed.en

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The following picture contained in this folder
https://images.nasa.gov/details/iss036e005944

is licensed under https://www.nasa.gov/multimedia/guidelines/index.html