Astragal has often wondered why some architectural dreams never make it off the drawing board. Less commonly, however, he comes across proposals that makes him marvel at how they even got that far. It won’t surprise many readers to learn that one such scheme is the brainchild of the ever-entertaining Chris Roche. The maverick London architect has come up with a plan for a monument in Cuba to pay tribute to the country’s Communist heroes. Roche proposes to build a Mount Rushmore-esque cliff face with the faces of Che Guevara, Karl Marx and ailing leader Fidel Castro chiselled in to the rock. He has already written to Castro about the architectural homage, but has so far yet to hear anything…..