Whether you view them as objects of unexpected beauty or a brutal eyesore, Russia's high-rise blocks dominate the country's suburban landscape. The prevalence of such monoliths isn't unique to Russia. From Sao Paolo to Seoul they are a feature of modern life. But does each country have its own style or is homogeneity the very essence of high-rise architecture? Can you tell which suburb blocks belong to which city? Take The Calvert Journal quiz to find out.