The Prince of Wales has openly expressed his views on architecture and urban planning; he fostered the advancement of New Classical Architecture and asserted that he "caredeeply about issues such as the environment, architecture, inner-city renewal, and the quality of life." In a speech given for the 150th anniversary of the Royal Institute of British Architects (RIBA) on 30 May 1984, he memorably described a proposed extension to the National Gallery in London as a "monstrous carbuncle on the face of a much-loved friend" and deplored the "glass stumps and concrete towers" of modern architecture. He asserted that "it is possible, and important in human terms, to respect old buildings, street plans and traditional scales and at the same time not to feel guilty about a preference for facades, ornaments and soft materials," called for local community involvement in architectural choices, and asked: