"It's a pretty awesome feeling, " Juan Estevez said from a temporary platform on the roof of the tower where he and other workers watched the milestone.
Members of Cambridge University Officers' Training Corps (CUOTC) have agreed to build a platform representing the roof of the 70ft (21m)-high Senate House, and a vehicle will be hoisted to the top.
Loud applause and cries of joy erupted from construction workers assembled on a temporary work platform on the roof of the building as the huge, silver spire was gently lowered and secured into place.
Even worse, Nokia just passed on an opportunity to rally 3, 000 of its most loyal developers around its new flagship platform while gathered together under the same roof in London.