tokyo_station.jpg
https://commons.wikimedia.org/wiki/File:Tokyo-STA_Marunouchi-Entrance_2023.jpg

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attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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apollo13.mp3
https://commons.wikimedia.org/wiki/File:Apollo13-wehaveaproblem_edit_1.ogg

This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted".

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bubble.webm
https://commons.wikimedia.org/wiki/File:A_freezing_soap_bubble_in_McGregor,_Minnesota.webm

This file is licensed under the Creative Commons Attribution 2.0 Generic license.
Attribution: Lorie Shaull
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Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
