Background footage credits

Minecraft parkour gameplay (CC BY, attribution required, added to captions automatically):
- mc-orbital-*: "Minecraft Parkour Gameplay NO COPYRIGHT (Vertical)" by Orbital - No Copyright Gameplay (YouTube, Creative Commons Attribution)
- mc-gff-*: Minecraft Parkour gameplay by GameplaysForFree (YouTube), licensed under CC BY 4.0: https://creativecommons.org/licenses/by/4.0/
Minecraft is a trademark of Mojang; gameplay use follows the Minecraft Usage Guidelines. Not affiliated with Mojang or Microsoft.

Cinematic and gym stock clips: public domain works of the US government via Wikimedia Commons
(NASA; US Army, US Marine Corps and DoD/DVIDS). They do not imply endorsement by those agencies.