Hong Kong wants to build something special on the old airport site, the project would be partly house construction and building for artistic performance, arena, meseum, i heard the place would not allow roads, but only electric trains to transport from place to place
there is three proposal , who is the best in your opinion, just base on the view
A
B
C
the first one is the richest company
the third one is the poorest
the entire project cost about 30 billion US dollars