taipei city gate historic site-north gate (chengen gate)

architectural carvings centuries change chengen city city39aph39s constructed cultural curved defensive details development distinctive downtown dusk dynasty entrances evening explore facade gate gate39aph39s guarding heritage historic historical history important imposing infrastructure integral landmarks lane light lighting main marvel metropolis night north offers old oncemighty ornate pedestrian potential protecting qing remnants residents rich road roof served site sitenorth skyline skyscraper stands stood storied street streetlight structure symbol taipei taipei39aph39s test testament time traffic visitors walled witnessed