St Martin-in-the-Fields - Credit: Wikimedia Commons
St Martin-in-the-Fields is a Church of England parish church at the north-east corner of Trafalgar Square in the City of Westminster, London. Dedicated to Saint Martin of Tours, there has been a church on the site since at least the medieval period. This location, at that time, was farmlands and fields beyond the London wall. Read more on Wikipedia
Source: en.wikipedia.org