They lay on 2 rivers which confluence to one. That’s what Kuala Lumpur means I believe.
The contractors were UK And Australian. They were each given a tower to build, sort of competition. The Aussie won. Then a German co traitor awoukd check the builds before signing off.
They nominated a German company obersee the build
The bridge was added to keep them stable as they say on two riverbeds.
Source : lived there and SNG for a while, w!orking with YTL the construction company