how does the eifel tower stay up

Question: how does the eifel tower stay up
- Keywords:
  architecture,
  eiffel,
  tower
Asked by dredd to Roma on 23 Jun 2014.
- Roma Agrawal answered on 23 Jun 2014:
  
  Hello!
  Lots of great engineering! It is made of steel and there are lots of beams and columns tied together to make sure it all stands up. Modern buildings are similar but because of computers, we can design things more efficiently so we use much less steel than before!

Question: how does the eifel tower stay up