1boy arm_at_side arm_up black_hair blazer blue_pants blue_sky blue_theme book broken_window ceiling ceiling_light chair chalkboard classroom cloud commentary day desk dutch_angle english_commentary facing_away fluorescent_lamp flying_paper holding indoors jacket knite lectern male_focus neckerchief on_desk open_book pants paper paper_airplane red_neckwear school_desk shirt sitting sky sleeves_pushed_up solo untied watermark web_address wenqing_yan white_shirt wind wind_turbine windmill window
2boys animated animated_gif bird black_hair building capri_pants chain-link_fence chinese_clothes city city_lights cityscape commentary crane_(machine) dark english_commentary fence from_above kite knite light_particles male_focus mask mouth_mask multiple_boys night pants river rooftop short_hair sky sleeves_rolled_up string wenqing_yan
2boys animated bird black_hair building capri_pants chain-link_fence chinese_clothes city city_lights cityscape crane_(machine) dark fence from_above kite knite light_particles male_focus mask mouth_mask multiple_boys night pants river rooftop short_hair sky sleeves_rolled_up string ugoira wenqing_yan
1boy arm_at_side arm_up blazer blue_pants blue_sky blue_theme book broken_window ceiling ceiling_light chair chalkboard classroom cloud day desk dutch_angle facing_away fluorescent_lamp flying_paper holding indoors jacket knite lectern male_focus neckerchief on_desk open_book pants paper paper_airplane red_neckwear school_desk shirt sitting sky sleeves_pushed_up solo untied wenqing_yan white_shirt wind wind_turbine windmill window