If the Twin Towers were still standing today, how long would they stand for in this century?

Answer 1

I don't understand what you're asking. Please clarify.

Answer 2

I'm sorry, Ms. Sue. I'll say it clearly.

When the two World Trade Center buildings were fully completed in the 1970's, how long would it last for?

Answer 3

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS374&q=lifespan+sky+scraper&aq=f&aqi=&aql=&oq=&gs_rfai=CyVNxIjBcTN_bNouEhQSl6PCFBgAAAKoEBU_QB5oO

Answer 4

These types of building are designed for greater than 100 years. The inner structure is examined and maintained, the outer can be repaired/replaced. Only the foundation (bedrock) is not repairable, so the building depends on that, and it is the unknown variable.