<Ul> <Li> 1 WTC: August 1968 </Li> <Li> 2 WTC: January 1969 </Li> <Li> 3 WTC: December 1979 </Li> <Li> 4, 5, and 6 WTC: 1970 </Li> <Li> 7 WTC: 1983 </Li> </Ul> <Li> 1 WTC: August 1968 </Li> <Li> 2 WTC: January 1969 </Li> <Li> 3 WTC: December 1979 </Li>

What are the dimensions of the world trade center