Another side of rubbish

These BBC pictures from the world of rubbish collectors, working at night in the city, got me thinking about the scale of the task and livelihoods and alternatives. Looks here like a job being professionally done and for some the focus of their whole working lives. To me it looks a bit of a thankless task but I'm glad it's being done. I wonder how those involved experience it, what ideas they have about managing waste and how they feed back those ideas? The 'some's recycled' I find chillingly low key compared with countries where there are more incentives to reduce and recycle waste. Professionalism surfaces in this area also elsewhere e.g. among the zabaleen in Cairo . Do we appreciate the job being done here enough?