article_snippet.sent: post boxes were initially painted green, to blend in with the landscape, but that was later changed to Red to make post boxes more visible.
article_snippet.sent: The new colour was introduced in 1874 and The new colour took 10 years to repaint post boxes.
article_snippet.sent: Red has remained the standard colour for UK boxes with only a few exceptions, one being blue post boxes for overseas mail.
article_snippet.sent: Red has remained the standard colour for UK boxes UK with only a few exceptions, one being blue post boxes for overseas mail .
highlights_snippet.sent: Initially post boxes were painted green to blend in with the landscape .
  