"they drilled more than 100 boreholes round the school" lol
― mark s, Monday, 23 July 2018 18:51 (five years ago) link
scale of voids discovered below school measured -- i am pleased to say -- in the correct unit of volume: "16 doubledecker buses"
― mark s, Monday, 23 July 2018 18:56 (five years ago) link