@keadamander @ExtinctionR Which considering the mass building of more conventional buildings around it in the 23rd district, is hugely important.

And by cheap, you get for about €500 rent and €500 running costs for about 100m² (everything but electricity):
indoor & roof pools, saunas, tennis, multiple solariums, private security, good public transit with its own underground station, multiple churches, dozens of clubs, an attached mall, 3 city run kindergartens, 2 elementary schools,