Sisters to ride across Mongolia to celebrate the life of Polly de Blank 

Martha Sitwell and Clementine de Blank Chappell will embark on a 500 mile ride across Mongolia, on horseback, to celebrate the life of their eldest sister Polly who took her life in July 2013. They begin their journey on 1 August in aid of Mind, the mental health charity, and Prisoners of Conscience Appeal Fund, the human rights charity. Lady Sitwell hopes to ride side saddle on this once in a lifetime trip sitting aside, rather than...