09:32CrowdScienceWhy did the ancient Maya abandon their cities?BBC World Service Duration: 34 minutes Mon 25th Apr 2022, 09:32 on BBC World Service OnlineAvailable for over a yearListen nowWhat caused the prosperous Maya civilisation to collapse 1000 years ago? Show more GenresFactualScience & NatureScience & TechnologyFormatsDiscussion & TalkBrandCrowdScience Source: BBC Online