The CN Tower, Toronto’s world-renowned landmark, took over 8 years to build from 1968 to 1976. Using slip-form construction whereby concrete was poured into molds that gradually build upon itself, the building stands at 553.3 metres tall.
The CN Tower, Toronto’s world-renowned landmark, took over 8 years to build from 1968 to 1976. Using slip-form construction whereby concrete was poured into molds that gradually build upon itself, the building stands at 553.3 metres tall.