The poor Acropolis is in great disrepair, and preserving it has been problematic. “Thirty years after Greek conservationists launched the biggest restoration project in modern history, the works have become dogged by controversy, and the government in Athens has now revealed that at least 20 more years – and up to €70m (£47m) – will be needed to finish the project. The restoration is causing political ructions in Greece, not least because nobody knows where the money will come from.”