a portal to another dimension made of concrete-like material. sunrise at the end of the corridor. mountain landscape. 3d render

architecture structure concrete background perspective construction building modern design abstract urban light gray contemporary pattern grey floor space cement texture interior business city white wall wallpaper grunge glass exterior architectural nobody metal area technology high industry place dark detail row textured empty metallic indoor black fragment material minimalism render time machine portal another dimension made concrete-like sunrise end corridor mountain landscape material corridor landscape render excellent advertising banner for site selling suburban real estate