Complex sentence: The castle is powerful and compact in its size with very little decoration-one square compound built in red bricks, one of the most prominent examples of Gothic architecture of the age, with imposing M-shaped merlons running along the castle and bridge walls.
Split into simpler sentences: The castle is powerful and compact in its size with very little decoration-one square compound built in red bricks, one of the most prominent examples of Gothic architecture of the age. A most remarkable feature are its imposing M-shaped merlons running along the castle and bridge walls.