40. The most innovative way to pump iron
The outdoor gym at Lumpini Park (MRT: Lumpini) is full of ancient, rusting, laughably outdated gear, which apparently doesn't bother the hugely muscled dudes sweating buckets in the midday heat.
To your muscles, 50 pounds is 50 pounds. Try your hand at the bench-press station, with tractor tires on the bar instead of weights.