The Lives They Live: Singapore's oldest living kidney donor

Mr Wong Siak Wan, 81, a retired welder, donated a kidney to his son at the age of 79.

SINGAPORE - Mr Wong Siak Wan has built structures with a blowtorch, welding helmet and steady hands for more than 60 years.

The 81-year-old has welded undersea oil pipes and covered walkways in Housing Board estates, and even built his own fish tank from metal bars and glass panels.

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