"Abandoned building" (https://skfb.ly/ouSsE) by Federico Paredes is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).

"abandoned railroad" (https://skfb.ly/otVOr) by gav is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).

"Abandoned factory" (https://skfb.ly/6TzYN) by Rixael is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).

"BOX-02 Robot" (https://skfb.ly/oNvLV) by Thanh Phuc is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).

"Robot Animated" (https://skfb.ly/6zArL) by Blender3D is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).

"TERMINATOR: T-800 Endo-Skeleton (Damaged)" (https://skfb.ly/onNuK) by CatBYTE Studio is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).

FirstHand and the green gem