It’s Europe’s favourite holiday hotspot and a place that usually conjures up images of sun, sea and sand. But increasingly, the Mediterranean Sea is becoming known for plastic and pollution. Charities have been sounding alarm bells of late. One of them, WWF, estimated that in 2018, the equivalent of almost 34,000 plastic bottles contaminated the Mediterranean's blue waters every minute. So how bad is the damage, and can European nations come together to clean it up?