Colours of Ostrava festival opening at Dolní Vítkovice

One of the country’s most popular music festivals, Colours of Ostrava, opens on Wednesday at the Dolní Vítkovice industrial complex. Over the next four days, the festival will offer around 130 concerts in different venues around the industrial zone, which is a European Heritage site.

This year's line-up includes Twenty One Pilots, Moby, Lorde, LP, Teddy Swims, Skunk Anansie and Aurora.

The festival also features a discussion forum, where more than 150 speakers will debate topics relating to artificial intelligence, the future of Europe, relationships, mental health, science and medicine.

The festival traditionally attracts tens of thousands of visitors from at home and abroad.