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

Code:
    - Bus - WB08 by myself
    - Carousel - WB08 by example
    - Excavator - WB08 by example

Obj File:
    - Cloud.obj by https://www.cgtrader.com/free-3d-models/various/various-models/cloud-3d-vdb-and-model-guide

    - Bird.obj by https://www.cgtrader.com/free-3d-models/animals/bird/flying-egret

    - Fish.obj by https://www.cgtrader.com/free-3d-models/animals/fish/fish-3d-6a34c6e0-dff2-4375-9257-469577d423cd

    - House.obj by https://www.cgtrader.com/free-3d-models/exterior/house/medieval-houses-11-4k-textures-game-ready

    - SmileyBoy/SmileyGirl.obj by https://www.cgtrader.com/free-3d-models/character/child/toon-smiley-character-set

    - Mountain.obj by https://www.cgtrader.com/free-3d-models/plant/other/rocks-5f67c237-b07d-42d2-82a2-7032dc802e9e

    - Meteorite.obj by https://www.cgtrader.com/free-3d-models/space/other/astreoid-8

Images File:
    - Dirt.png by https://www.freepik.com/free-photo/top-view-soil_4606525.htm#query=Dirt&position=5&from_view=search&track=robertav1_2_sidr

    - Space.png by https://pixabay.com/photos/milky-way-stars-night-sky-2695569/

    - Grassland.png by https://www.freepik.com/free-photo/texture-grass-field_969742.htm#query=grassy%20field&position=5&from_view=keyword&track=robertav1_2_sidr

    - house.png by https://pixabay.com/zh/users/mabelamber-1377835/?utm_source=link-attribution&utm_medium=referral&utm_campaign=image&utm_content=3541092

    - houseFront.png by https://www.deviantart.com/walnutscorpion/art/House-Texture-520865092

    - bus.png by https://www.dreamstime.com/stock-illustration-city-bus-template-passenger-transport-vector-illustration-eps-isolated-white-background-image85745520