Laos is pronounced like "lao," without the "s" sound.
Laos don’t line up so much as push through in a horde. If you want service, you will likely have to adapt the custom, but keep any valuables close and in front of you.
Greet others with a smile & slight bow or nod with hands pressed together.
Negotiate taxi fares before your ride unless the cab is metered.
Avoid exposing the soles of your feet or shoes, even when sitting.