Too hot to handle? Heatwaves and droughts around the world

This week on Living Planet – As Europe and North America deal with record-breaking heatwaves, we look at how cities from Ahmedabad, India to Athens, Greece handle the heat. When drought makes water a mere mirage – what are communities to do? Italy and Somalia are both struggling with diminishing water supplies. And in an odd twist, drought is also revealing some hidden secrets of the past.