Audio

Ambiance sound - https://soundimage.org/sfx-urban-ambience/ "STREET AMBIENCE 2" by Eric Matyas www.soundimage.org
scifi-sound-85501 - pixabay
chugging-diesel-bus-and-rev-23478 - pixabay
046422_trash-can-falling-over-71483 - pixabay
car-trunk-closing-421362 - pixabay
spaceship-hum-low-frequency-296518 - pixabay
engine-47745 - pixabay

Skybox

evening_road_01_puresky_2k - https://polyhaven.com/a/evening_road_01_puresky
NightSkyHDRI002_2K_HDR - https://ambientcg.com/view?id=NightSkyHDRI002

Scene

City model: CC BY 4.0 by https://sketchfab.com/abhayexe https://sketchfab.com/3d-models/full-gameready-city-buildings-0545317292c44490af5408cb58633121
UFO - https://sketchfab.com/3d-models/ufo-flying-saucer-spaceship-ovni-094ce2baf6ee40aa8f083b7d0fcf0a9f

Additional Materials

BlenderKit