Peak District, UK. 24th January 2013. 24th January 2013. Sub-zero conditions continue across the UK as shown by this heavily frosted sign-post in the Staffordshire Peak District. Credit: Graham Dunn / Alamy Live News

- Image ID: D2HR7R
Peak District, UK. 24th January 2013. 24th January 2013. Sub-zero conditions continue across the UK as shown by this heavily frosted sign-post in the Staffordshire Peak District. Credit: Graham Dunn / Alamy Live News
Graham Dunn / Alamy Stock Photo
Image ID: D2HR7R