The winner to host the WTC2023 is Greece! The final voting result: Greece 33 vs Turkey 14. The theme will be EXPANDING UNDERGROUND - Knowledge & Passion to Make a Positive Impact on the World. To learn more about the host city Athens and the Greek Tunnelling Society please visit https://athenswtc2023.gr/ . 06/21.
09.12.2025 Austria
09.12.2025 Belgium
09.12.2025 Italy
09.12.2025 Switzerland
10.12.2025 Belgium
16.12.2025 Iceland
17.12.2025 Italy
06.01.2026 France
12.01.2026 Austria
23.01.2026 Switzerland
