The DocumentaryMapping the VoidMapping the VoidBBC World Service Duration: 23 minutesFirst broadcast: Tue 8th Apr 2014, 04:32 on BBC World Service OnlineLatest broadcast: Wed 9th Apr 2014, 00:32 on BBC World Service OnlineAvailable for over a yearListen nowKat Arney meets volunteers trying to change the world with maps - they use their free time to map the world's unmapped places. Show more GenresFactualBrandThe DocumentarySeriesThe Documentary: Mapping the Void Source: BBC Online
