macau old buildings complex rua dois do bairro iao hon grassroot district community china mainland immigrants macao neighbourhood

aging areia bairro bordergate buildings business china city cityscape commercial community complex concern crowded daily densely district dois elderly fading gauges gongbei grassroot hac hacsawan hawkers health hon hygiene iao iaohon immigrants landscape leds life lights local macao macau mainland market neighbourhood night northern old pipes populated population preta prostitutes pumping pumps redlightdistrict residence residential routine rua ruins rundown shops stores street wan water waterpipes workers workforce