World cultural heritage, the great architectural wonders of Cologne Cathedral, has always been a tourist destination, and people in Cologne must visit the cathedral. Because it is not only a long history, but also the architectural style and pattern is unique charm Cologne Cathedral and Notre Dame, Rome St. Peter's Cathedral and known as the three major religious buildings in Europe. Cologne Cathedral, known as the tallest spire in Europe, took more than 600 years to complete, light. Elegantly known as the world, it was once the soul of Cologne, and today it is a symbol of Cologne. Cologne Cathedral is a perfect example of medieval Gothic architecture, perfectly reflecting the passionate beliefs of people of that era. No one in the ages, like the people of the Middle Ages, planted an infinitely noble spirit in the mind, and this cathedral was the most vivid expression of the enthusiasm of people at that time.