77-year-old retiree Pang Kim Swi has been sweeping his estate everyday for the last 20 years, but he's not employed to do it - and he usually takes more than 3 hours each time he goes on a "sweeping spree".

Why does he do it, and what does his wife have to say about his 'strange' habit?

-- RazorTV

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Duration: 3 min 20 sec