In 1571, the Spanish built the castle to rule the Philippines. It covers an area of 1 square kilometre and is known as the "metropolis in metropolis". The castle is surrounded by trenches and medieval walls, with seven gates and 12 churches. At the end of World War II, most of the castle was destroyed and part of it has now been restored. In 1571, the Spanish built the castle to rule the Philippines. It covers an area of 1 square kilometre and is known as the "metropolis in metropolis". The castle is surrounded by trenches and medieval walls, with seven gates and 12 churches. At the end of World War II, most of the castle was destroyed and part of it has now been restored. You can visit Manila Cathedral by carriage for about 30 minutes, including the time you stay to take photos. The fare is 350 pesos. A carriage can take three people. When the coachman comes to a scenic spot, he will let you take pictures and give a brief introduction.