BBC News By Alan Haslam image copyrightSimon Mills The historic alleyways and entries of Belfast form the backbone of much of the city's architecture. Once essential access for coal and sewage networks, many are now only used for bin storage and can be hotspots for fly-tipping and antisocial behaviour. But since coronavirus restrictions have limited travel and social interaction, some people are discovering new potential in these underused spaces. Could your neglected alleyway become a green corridor or a community hub? image copyrightAisling Madden - Studio idir for 9ft in Common image captionA section of the map created using 9ft in Common research