Zimbabwe's 'boot-sellers' grow as they shun shop rents

In Zimbabwe, the high cost of renting shop space in the central business district of the capital Harare is forcing retailers to take an unusual step.

Many are reduced to selling their wares from the backs of their cars. And often the cars themselves are hired too.

But this growing informal sector is causing a headache for Zimbabwe's tax authorities, as the BBC's Brian Hungwe reports for Africa Business Report.