“…The most popular topic was tunnelling, [53][54][55][56] underground spaces, [57][58][59] and geotechnical modelling. [60][61][62][63] Case studies for these topics were mostly done in developed countries such as the USA (e.g., Los Angeles, New York, San Francisco, Boston), Japan (Tokyo), Canada (e.g., Metro Toronto, Ontario, Saskatchewan), United Kingdom (London), The Netherland, Singapore, etc.…”