Notice those metal bins scattered around residential areas and housing estates?
They are specifically provided to contain the stacks of hell money and paper offerings, such as cars, watches and jewellery, that are burned by relatives to appease their deceased family members – taking care of their material needs even in the afterlife.
Do watch your step in case you trample on food left out in the open. Although many place their food offerings (oranges, rice or even suckling pig) and joss sticks on proper altars, others tuck them at the side of footpaths or even alongside trees.