It is Aksum not, Axum -_- ... They built Obelisks
the petronas towers were built in 1998
The Martello Towers were built in 1846... that is what i know :P
it was built in 1975
it was built in 1975
The twin towers were built in 1973.
the twin towers were built by very large machinery and they also took a while to build them
no not yet
the petronas towers were built in 1998
to honor the towers when they were there and to keep 9/11 in rememberance
Large towers are built to provide water to keep equipment cool.
two