The risk here is that such a radical ‘emancipation from the ground’, 54which reaches its apogee with the phenomenon of elite helicopter commuting in São Paulo, works to residualise the urban street – a space already under intense pressures from congestion, pollution, building and reduced public space and light penetration.
What does "light penetration" mean in this context?
The source: Vertical by Stephen Graham
Sunlight does not reach the street very often, and no light goes far.
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Sunlight does not reach the street very often, and no light goes far.
reduced public space and reduced light penetration
Less daylight/sunlight reaches street level, presumably because of tall buildings.