Unexplained entity

Mysterious figure

Hooded figure

Solitary figure

Silent watcher

Mysterious silhouette

Shadowed figure

Mystery man

Ephemeral presence

Alien invasion

Alien scene

Night sky

Urban setting

Silhouette of person

Urban landscape

Enigmatic figure

Shadowy figure

Ominous presence

Sinister figure

Silent observer

Ghostly presence

Stark contrast

Urban explorer

Dark silhouette

Lonely figure

City at night