Romanesque style is an architectural style in medieval Europe that was mainly popular in the 11th and 12th centuries. This style eventually developed into Gothic style, characterized by semi-circular arches, while Gothic is characterized by pointed arches. The Romanesque architectural style appeared almost simultaneously in multiple countries such as France, Germany, Italy, and Spain, making it the first pan European architectural style since the Roman Empire.

St. Michael's Church is a historic church located in the East End of central London, England. The church was built in the 11th century and is a typical English church building, with a medieval style tower being one of its iconic features. The tower is usually located in the west of the church and is a towering stone tower. The tower has a unique architectural style and decoration, which may include elements such as a bell tower, spire, and observation deck. It is not only the visual focal point of the church, but also a part of the urban landscape. It usually serves multiple functions, such as accommodating a bell tower, providing an observation deck, displaying art or monuments, etc.