CJC is featured at the 11th Andean Seminar on Tunnels and Underground Works with engineer Pedro Teodoro França lectures about "Wells of Large Diameters in Urban Works" and "Project of Line 4 - Metro of Rio de Janeiro".

For more informations, access: http://www.actoscolombia.org.co/wp-content/uploads/2016/09/programacion-10-oct-2016.png