enigmatic shadows. mysterious background concept

air ambiance ambiguity atmosphere atmospheric background blurred concealed concept creepy cryptic dark darkened darkness depths details eerie enigma enigmatic enshrouded figure figures foggy ghostly haunting hidden identity intentions intrigue misty moody murky mysterious mystery nighttime obscure obscured ominous presence secrecy shades shadows shapes shrouded silhouette striking surreal uncanny uncertain uncertainty unclear unseen urban veiled