Neue Nationalgalerie｜Berlin, Germany｜Mies van der Rohe

Neue Nationalgalerie｜Berlin, Germany｜Mies van der Rohe

Dancing House｜ Prague, Czech｜Frank Owen Gehry

Vienna University of Economics and Business LC｜ vienna ,Austria｜Zaha Hadid

Austrian Postal Savings Bank（ facade）｜Vienna , Austria｜Otto Wagner