Capturing British PM Theresa May's loneliest moment

Britain's Prime Minister Theresa May is seen in a car outside the Houses of Parliament in London, Britain, March 27, 2019. [Reuters]

Chin raised, eyes front and inscrutable, face exhausted: it was the most telling image of British Prime Minister Theresa May’s loneliest moment, departing parliament after her offer to quit.

To capture such a difficult photo - in the dark, through a moving car’s windscreen and into the back seat, with media and police all around - Reuters photographer Hannah McKay practiced on other politicians then positioned herself with precision.