Driving change: the all-female garage shifting attitudes in northern Nigeria

The NGO Nana is upending gender norms in conservative Sokoto state, where one in 20 girls finish secondary school

The green-and-red Nana Female Mechanic Garage sign is visible from the main road into Sokoto city. Behind its sliding iron gate, Zainab Dayyabu stomps around in heavy work boots and a blue jumpsuit, her hands callused and oily.

I love the job I'm doing," says the 23-year-old, as she opens the bonnet of a Peugeot van to test its battery.