The Tokyo "Sky Tree" is an intricate design, not using stone, but pipes. Modern materials.
And in his rise buildings
And incorporating what might seem like very ancient methods on very modern structures, such as a pendulum
The tuned mass dampener is an object (the gold ball) built in to a building's interior to absorb seismic shock.
Here is some of his other work.
Edited by Lord Vetinari, 22 January 2013 - 07:48 AM.