Nearest is the rectangular, National Library, then spherical exhibition centre, then the Cathedral, in the background — one of ministries. All creations of Oscar Niemeyer.
At Ministry of Foreign Affairs.
Parliament of Brazil; two spherical shapes, convex and concave, are upper and lower chambers (again all by Oscar Niemeyer).
Church of St. Dom Bosco.
Moon “on its side” — geometry of projections onto the сelestial sphere at that latitude.
Maths & Physics News 
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