1 of 11 Lagos, one of Africa's most populous cities, has been battling the garbage problem for years - now the authorities have launched an ambitious clean-up drive
2 of 11 Most flooding in Lagos results from garbage blocking gutters and drains, the city's environmental commissioner Tunji Bello says
3 of 11 Hundreds have been drafted into the new Kick Against Indiscipline (KAI) Brigade to clean up the streets
4 of 11 Suspected offenders are arrested and put before roadside mobile courts, which can fine or even jail them
5 of 11 Every last Saturday of the month is now an environmental sanitation day - residents must keep their surroundings clean
6 of 11 Commissioner Tunji Bello says the streets have been lost to "dirt and mountainous garbage" - and that is why the zero-tolerance campaign is needed
7 of 11 Hundreds of unemployed men have found jobs as refuse collectors, including Adamu Sule, 35
8 of 11 Street sweepers called highway managers are also part of the clean-up effort
9 of 11 Authorities want to revive green, open spaces by tidying up parks, gardens, verges and roundabouts
10 of 11 The campaign also involves demolition of illegal shanty towns - including the Ilu Erin slum, where Osas Giwa-Osagie says he is now a "refugee"
11 of 11 Abiodun Shalewa now sleeps in the open - Ilu Erin residents say the government wants to sell their land to the rich