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I was instantly drawn to this great example of a classic TRIZ contradiction. How can we have nice open areas in town during the day but also supply toilets to prevent indiscriminate weeing in the streets at night. Solution:
Not sure what lady late night revelers are expected to do and also notice that the text reveals there are three urinals per ‘pop-up’, without doors, so this is much more European, pissoir solution. And what do you do if, in full flow, it starts to descend?