2 men in hazmat suits observing strange black floating aliens with long tentacles and abandoned brutalist architecture

abandoned alien aliens architecture artwork atmosphere background biohazard black brutalist buildings cityscape concept concrete creature cyberpunk discovery distance environment extraterrestrial fantasy fiction floating futuristic hazmat horror illustration invasion landscape long men mist mysterious observing orange outdoor outdoors people planet powerful protection reflection render rock round scene sci science smog strange suit suits surface tentacles tower town toxic urban water