caption: WARNING: Embargoed for publication until 00:00:01 on 10/07/2018 - Programme Name: Poldark - Series 4 - TX: n/a - Episode: Poldark S4 - EP6 (No. 6) - Picture Shows: ***EMBARGOED TILL 10TH JULY 2018*** Ross Poldark (AIDAN TURNER) - (C) Mammoth Screen  - Photographer: Mike Hogan