and they're "eco friendly" because you then have government employees take out a small sized box fit for a few uses and put it into compost ... because apparently human pee is so rich in nutrients that the net benefit out-weights employing additional people to do such work.
But you know, French millennials are crazy about composting so having that scores some solid political popularity points.
Here: https://ichef.bbci.co.uk/news/624/cpsprodpb/CCF1/production/...
You can see the boxes are leaking, but instead of hidden corner you now have the liquids right next to building's entry.
And let's not forget the highly frequented areas: https://i.dailymail.co.uk/i/newpix/2018/08/30/13/4F867576000...