Expo SubTerra

New Roots for Underground Urbanism – Exhibition


photo by Joran Kuijpers

City x Space: Cross-Section Thinking

How can the integral and multifunctional use of public space, subsurface, and buildings -within a densified urban environment – create space and value that contribute to an attractive and future-proof living environment?

“This seminal question generates various answers depending on the specific context and location of asking. International interdisciplinary students from Delft University of Technology have outlined various design solutions. Manifest in all cases are the spatial bottlenecks on the level of public space. Connecting the intervention areas with the surrounding socio-spatial networks, therefore, forms the basis of all solutions. In addition, in the densification challenges we see the attention for the multi-layered space: on the one hand, a train or metro station, for example, generates flows of people at several levels; on the other hand, building in higher densities and/or living and working in collectives, generates new shared spaces.” As Maurice Harteveld explains in the exhibition; “The hybridization of the urban and architectural program also requires a cross-section thinking. This can be seen in future-proofing both large-scale sports or industrial areas, as well as small-scale residential houses in neighborhoods where work is shifting to local entrepreneurs and home workers. Finally, the subsurface plays an important role in greening the living environment and in water storage.”
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African Public Spaces?

What is public space in African? Does it exist as we may presume? At the current, we are analysing and comparing urban life and presumed public spaces in selected segments of four African cities to map what we know about these cities. It is a first step in deepening cross-cultural understanding: An exiting start of a new exiting scientific journey along Dakar in Senegal, Dar es Salaam in Tanzania, Maputo in Mozambique, and Lusaka in Zambia.


Image by Vaggy Georgali
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Public Space for all Nations

Good public spaces enhance community cohesion and promote health, happiness, and wellbeing for all citizens.

It has been with this quote that UN Habitat launched the Global Public Space Programme in an aim to improve the quality of public spaces worldwide. Of course, without doubt, the programme stands for a crucial challenge to make our urbanised world better, but what to do? The ideas on this have been matured and agreements seem to saturate the scope at the recent Habitat III conference held last week in Quito. A list of final set criteria is emerging, but this cannot mean that we’re done… By no means this listing will work if stakeholders do not accept that people gather on a variety of places around the globe, in a variety of cultures, hence not just in those urban spaces which are created by Western idealists’ minds: publicly-owned outdoor space.
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