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Due to the COVID-19 Novel Coronavirus, events may be postponed or cancelled. Refer to the organizer's website to confirm the current event dates.
From the AFTES 2020 website (translated):
At a time when the use of underground space has become crucial for the sustainable development of our cities, and where new technologies are changing all occupations in depth, our Congress is an opportunity for decision makers, infrastructure managers, designers, builders, suppliers to share their experiences and projects involving the underground.