Boat crews take part in Swan Upping, the annual census of the swan population on the River Thames in...
An official displays embroidery detail on his tie during Swan Upping, the annual census of the swan population on the River Thames, in a week long exercise where unmarked mute swans are now counted - rather than eaten - in a tradition exercised by the British Crown for nearly 900 years, at Sunbury, Southern England, July 18, 2016. REUTERS/Toby Melville