World Tunnel Congress and ITA Annual Meeting in Foz do Iguaçu, Brazil
19 December 2014
Some 1400 participants from 52 countries got together from May 9 to 14, 2014 in Foz do Iguaçu, Brazil on the occasion of the 40th Annual
Meeting of the ITA – International Tunnelling and Underground Space Association – in conjunction with the 2014 World Tunnel Congress.