The national ground has an unusual distinction: it is formed from ground flattened from a massive landslide caused by a heavy rain from a cyclone.[1]
References
^Cain, Nick & Growden, Greg "Chapter 21: Ten Peculiar Facts about Rugby" in Rugby Union for Dummies (2nd Edition), p295 (pub: John Wiley and Sons, Chichester, England) ISBN978-0-470-03537-5