We had the pleasure of visiting London again — a big, bustling city full of history, museums, galleries and lovely gardens. London has a population of about 9 million and covers around 600 square miles. However, in spite of its size, London is a fairly manageable city to navigate thanks to the Tube (subway). One of our favorite places is St. Martin-in-the-Fields. The church was built in the 1720s and its mission was caring for the poor. Back in the 13th century there was a church where St. Martin-in-the-Fields stands today. Then the church was in the field in the...