Sentence:  Already in the early 1960s, however, in the wake of John Cage's aleatoric compositions, some traces of <WSD>'ruinism</WSD>' could be found, for instance, in Walter De Maria's radical proposal of May 1960 for an "Art Yard", published in La Monte Young's "An Anthology". 
Meaning of the word marked with <WSD> tags:  An enthusiasm for appreciating ruins or sites of destruction.