World Tunnel Congress 2027, eo hape e tsejoang ka hore ke WTC 2027, e tla ba pokello ea litsebi tse hlomphuoang tse fetang 2,700, bafuputsi, baetsi ba melaoana, le lik'hamphani tse tsoang makaleng a fapaneng a kang boenjiniere ba sechaba, kaho, lipalangoang le litšebeletso tsa motheo. Ketsahalo ena e ikemiselitse ho nolofatsa phapanyetsano ea tsebo, ho bontša maikutlo a macha, le ho kenya letsoho lipuisanong tse mabapi le bokamoso ba theknoloji ea tunneling le ea ka tlas'a lefatše. Khetho ea Antwerp e totobatsa tlatsetso e kholo ea Belgium ho kotopo ...