Whack, whack, whack! The sound gets louder the closer I get to the gritty-looking concrete flyover in front of me.
Once underneath, the noise reverberates against the walls, peaking at an almost deafening crescendo and drowning out the traffic above.
Then I see the source of the cacophony: a handful of frail, elderly Chinese ladies, clutching worn out slippers between their gnarled, claw-like hands, as they hit them ferociously against…