What is the fine-grained topic of the following text: On one side the Tour Triangle , promised to be, 50 years after the Montparnasse Tower, the new “most hated Parisian tower”; on the other the Samaritan, that would spoil the noble Rue de Rivoli; or the enlargement of Roland Garros, whose expansion would make disappear rare plants of the Auteuil greenhouses. Only return the topic.
Controversial architectural projects in Paris