Pornsak Bowornsrisuk pulls an umbrella towards him to shield his head of thick gray hair from the blazing sunshine at the Bangkok bus terminal he manages.
"You've got to be damned tough to do this job," says the 63-year-old, who records bus arrivals and departures, and tallies up fares collected from journeys across Thailand's capital.
Septuagenarian bus conductor Pranom Chartyothin moves nimbly to a door to guide students off the vehicle. She waves at the driver, 66-year-old Plang Pansaior, who glances in his rear view mirror before pulling away.
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