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.
03.10.2025 Netherlands
06.10.2025 Spain
07.10.2025 Germany
09.10.2025 Germany
09.10.2025 Switzerland
10.10.2025 Spain
10.10.2025 Norway
13.10.2025 Switzerland
15.10.2025 France
21.10.2025 Slovakia
30.10.2025 France
03.11.2025 Romania
05.11.2025 Germany
10.11.2025 Bosnia and Herzegovina
