Solitary figure Nighttime scene Silhouette of girl City lights Urban scene Human figure Silhouette of woman City life Scene with woman Nighttime adventure Sense of solitude Lonely figure Modern life Solitary journey Underground setting Silhouette form Ambient lighting Silhouette at night Backside of woman Urban silhouette Step at time Shadowy setting Architectural structure Light sources Subway station Urban nighttime scene Urban space Female walking Silhouette in motion Spiral staircase