The monumental Holy Trinity Column is a unique monument of Olomouc. With its size, diversity, complexity and sophisticated sculptural decoration the column has no parallel in the world. It was for these reasons that it was included in the prestigious UNESCO list. You will learn many interesting facts about the column, its authors and history. The mobile application will also help you on the spot, at the column itself. It will expose details and new information that are often hidden at first glance. The application does not require an online connection to the Internet.