More lectures to watch

Andy Miller, a heritage consultant specialising in post-conflict environments, gives an overview of ongoing restoration projects in the Old City of Mosul in the aftermath of its occupation by ISIS.

Sara returns to the thin country to mark the 25th anniversary of her bestselling book recounting a six-month journey from the Peruvian border to Chilean Antarctica.

With basic geographic data lacking in many low income countries, Andy explores how cell phone and satellite technologies offer new ways to help achieve and monitor the Sustainable Development Goals.

Tristan explores how to spot the clues, signs and patterns in water; from puddles to lakes and from streams to oceans, using examples from across the world.