Wooden carved hanging ornaments at Christmas market, Winter Wonderland, in Hyde Park, London

Armed policeman guards Number 10 Downing Street, official home of the British Prime Minister, London, UK

Armed policeman guards Number 10 Downing Street, official home of the British Prime Minister, London, UK

Cotswolds cottage and fenced front garden, Burford, Oxfordshire, UK

Cotswolds cottage and fenced front garden, Burford, Oxfordshire, UK

Public transport buses travel in heavy traffic in Trafalgar Square, London city centre, England, United Kingdom

The Wallingford Screen, a Victorian replacement, in St Alban's Cathedral in Hertfordshire, United Kingdom

Locals play cricket, Swinbrook, The Cotswolds, United Kingdom

Christmas decorations and traffic in Regent Street, London, United Kingdom

Number 10 Downing Street, official home of the British Prime Minister, London, United Kingdom

Windows of Houses of Parliament, Palace of Westminster, United Kingdom

HIV/AIDS sex education posters, Francistown, Botswana, Africa

Sign at sea level between Amman and the Dead Sea, Jordan

Prohibition sign, No smoking area

Georgian Post Office red letter box; Allenheads, Northumberland, England