Summary: A series of works designed by J&AE to design deep-rooted large-scale iron transport hubs, yellow wooden hubs, line 14, line 6, etc., introduce contemporary cultural art into geo-coltan spaces, integrate deep urban culture, so that every journey is a “culture brigade”. It is an extension of urban public space. When cultural and artistic works enter the black-space, they are unique, innovative and geographical features that allow the original submerged underground space to become plura...