Marrakech climate talks wind down with maze of ambition still ahead

It's easy to get lost in the old Moroccan medina - just as disorientating as the UN climate process, where emission-cutting goals are being bartered too

Marrakech has an ancient heart - centuries old and unafraid to show it - and it has all the ingredients needed to disorientate an outsider. You get lost, often.

Lanes in the centuries-old medina are narrow and the walls are high, making it impossible to spot a landmark and get a fix on where you are.