White clouds passing by and reflecting in glassy walls of WTC Seoul Trade Tower and Coex Convention and Exhibition Center, Intercontinental Hotel and Asem Tower building facades - Gangnam

world trade center coex seoul trade tower tower asem intercontinental buildings skyscrapers urban south korea center bongeunsa temple business economy skyline time lapse bongeunsa temple view panorama modern roofs clouds movement over city cityscape sky cloudy reflection glass exterior walls highrise mall office high majestic financial district global business global finance architecture wtc downtown pine corporate reflect