Since its birth, Harrogate Music Festival has gone from strength to strength.

自哈罗盖特音乐节诞生以来，它的影响力与日俱增。

Here's father and son, David and Andrew Whelan, who were metal-detecting in a field to the south of Harrogate, in north Yorkshire.

戴维·惠兰和安德鲁·惠兰父子在约克郡北部哈罗盖特南方的田野里探测金属时无意中发现的。