Form and design, use and function of Cologne Cathedral have remained unchanged during the centuries of construction. All the work, from the 13th to the 19th century, was carried out with scrupulous ...

Recently, Sun Xilin from Yiyuan County, Shandong Province embarked on a meaningful journey on German soil. During the journey ...

Form and design, use and function of Cologne Cathedral have remained unchanged during the centuries of construction. All the work, from the 13th to the 19th century, was carried out with scrupulous ...