That’s right, a 15-story building in London is being demolished from the ground up, due to the original design. Continue reading for an artist rendering of finished building. This is why:

When the P&O building was constructed in 1965, each floor was hung from a huge beam at the top of the tower and supported by the central core. According to Matthew White, project director, the weight has to be removed from the structure from the bottom up

[via Gizmodo]