Can Sweden’s ‘vertical farms’ solve global food shortages?

Al Jazeera takes a look at an intricate farming operation within Stockholm’s city walls.

The coronavirus crisis has disrupted global food supply chains, leading to shortages in some countries.

The World Bank warns 130 million people could be at risk of starvation.

But an increasingly popular urban farming system could provide a solution.

Al Jazeera’s Paul Rhys reports from Sweden’s capital Stockholm.