Seventy years after the fall of Nazi Germany, a surprising number of its buildings and public spaces remain – many of them put to new uses, sometimes controversially. Colin Philpott’s new book, Relics of the Reich: the Buildings the Nazis Left Behind, examines their fate and explains what this reveals about attitudes to Nazism today.

We live in a world made for people who hear.

With the Rio Olympics well underway, we take a look at some of the most eye-catching examples of modernist Brazilian architecture.