Chris Tarrant in Myanmar (Burma) https://www.youtube.com/watch?v=0vIyS4aGkOE" onclick="window.open(this.href);return false;
Maybe square wheels might actually make it smoother!.
I don't understand why these countries, with cheap labour, don't attend to such problems. I am sure such track could be made alot better without the need for expensive new rail and sleepers, using manual labour. Even Sleepers(ties)should be able to be made locally without need for foreign exchange.