> Maybe something like that should exist on global scale.

Would certainly change things, e.g. the US looked far less glamorous when I actually visited it*, but there's a lot more variation in certain parts of the world than between nearby parts of continental Europe, e.g. Nairobi not only had some very nice looking newly built stuff (the first pictures for the city on Google Maps seem to be glamour shots), but also this: https://www.google.de/maps/place/Nairobi,+Kenya/@-1.2442837,...

* landed at SFO, even just the literal bed in the hotel room was larger than some entire rooms I've stayed in, then I look out of the windows and think "1980s parody of Butlins in 1960" ("Hi-de-Hi!" was part of my childhood TV).