Mr. Krens tightened spending , yet kept pursuing his vision of a world full of architecturally distinctive Guggenheims -- in Taichung , Taiwan -LRB- designed by Zaha Hadid -RRB- , Rio de Janeiro -LRB- Jean Nouvel -RRB- and Guadalajara , Mexico -LRB- to be designed by Mr. Nouvel , Enrique Norten or Hani Rashid\/Asymptote -RRB- .