Like really big ones?
So, Bankok, Singapore and Jakarta are all on one line at the seaside located
That means a Maglev in a pipe below water put on pillars to create an even track would do the very long journey. No vacuum, no Airplane noise, just a set of pipe fragments on pillars in the Ocean like a huge cable or gas pipeline...
And only the Americans would not get a place at the Economic Table needed? Russians won't ask amd Aussie are Aussies? They don't even speak the same language, actually....
#cyberpunkcoltoure
So, you build a really large 3D Printer onto a cargo ship and lay a cable. Then, you stiffen that cable from the inside with traditional materials, like a tunnel machine would do and finally install all installations.