List all attributions here, this include "self-attributions":

quadcopter - 1, helicopter - 0 from WB6.
Swing - 0, Carousel - 0, Roundabout - 0, Kart - 0, Seesaw - 0, Turbodrop - 0 from WB7.
coach - 1, t2house-2, pavilion-1, tree-1 from WB8.
Textures from https://polyhaven.com/textures and https://www.textures.com/.
t1house - 1 from https://www.turbosquid.com/3d-models/house-home-obj-free/795483.
t3house - 1 from https://www.turbosquid.com/3d-models/house-uptown-3d-model/532570.
t5house - 1 from https://free3d.com/3d-model/building-3-915587.html.
parkinglot - 1 from https://free3d.com/3d-model/paking-lot-182.html.
car - 1 from https://www.turbosquid.com/3d-models/3d-model-stylized-cartoon-car-free-free-1778654.