An Aussie man travelling the world has hit out at "old white men" in Cambodia as he branded their behaviour "creepy" and urged them to "do better".

Duncan McNaught, 21, was exploring the capital Phnom Penh when he allegedly noticed a particular demographic of men looking for young women.

The travel influencer shared a video of his experience in the city, in which he filmed several male tourists and said he was horrified by their behaviour.

"I am currently in Cambodia's city of old white men, they're roaming everywhere looking for a Cambodian woman," Mr McNaught said, in May.

"I actually feel bad, I don't want to film many of the girls because they genuinely don't want to be here they're just here to make money and provide for their families."

In the video, Mr McNaught spotted a tall,

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