Steam power: Thousands attend annual fair celebrating a bygone era

In a field in Dorset, hundreds of machines powered by steam are busy chugging away as they did in bygone years.

The county's annual steam fair is underway at Tarrant Hinton where up to 200,000 people are expected before Sunday.

Our reporter, Sally Simmonds joined fans on the opening day to find out why it attracts so many visitors.