It's one thing to blow up a building to bring it down, in a controlled manner. The often inaccurate description of implosion is one that we've seen in countless movies and television shows.
But what if you were to take apart a building, dismantle it floor by floor, from the ground up? As in, take it down in the same order it went up: removing each floor and then moving to the one above it.
It would be like this.