helicoptero dañado :
https://www.cgtrader.com/free-3d-models/aircraft/helicopter/ruined-wrecked-damaged-military-helicopter-low-poly-game-ready
troncos de madera:
https://www.cgtrader.com/free-3d-models/exterior/landscape/tree-log-dcfbb5de-5edf-4b05-bbe3-adc5fa9b93d9