We need, we especially need, an aesthetic to cater for the great human creations of the modern world: the towers, space stations, radiomasts, oil platforms, airports, underground systems, superhighways; the great airliners, spacecraft, bullet trains, articulated trucks.
Most of all we need an aesthetic for the very big city itself.
And we have it already. For can we improve on the Sublime? Everything we need in order to codify the aesthetics of the city is there, in Kant, in Burke:
Obscurity, Power, Darkness, Solitude, Vastness, Infinity, Succession, Uniformity.
And… 'Agitation'! Burke was right. After walking miles in a city I cannot placate my agitation. My brain seethes with a thousand streets.