Yes, you could have 1 massive block, but the stresses and risks on the system would be much higher. Probably not achievable with current common tower cranes. T

Yes, you could have 1 massive block, but the stresses and risks on the system would be much higher. Probably not achievable with current common tower cranes. The beauty of this idea is that these tower cranes are standardised and ubiquitous. So it could be implemented immediately in almost any city in the world.