Every first Friday of each month has been declared as a “national clean-up day” by Zimbabwe President Emmerson Dambudzo Mnangagwa.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/zimbabwe-launches-monthly-national-clean-day
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-times-rwanda
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/zimbabwe
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation