. >> president joachim gauck laid the foundation stone today. >> joachim gauck at the site where the kings of pressure once ruled. -- prussia once ruled. he came to lay the cornerstone and marked the official start to construction work. >> i wish everyone who works on this building site constructive time together without accidents or other incidents. >> for centuries, the palace in the heart of berlin was at the center of german history. it was torn down by the east german government after being badly damaged in the second world war. now it is to return with the baroque faÇades modeled on the original. inside, it will house a center for history, culture, the arts, and sciences. the first stone is laid. the time capsule installed. the project follows years of controversy. the government says it is right that the palace is being rebuilt. >> through this palace and the four of inside, berlin, the city, the capital city of germany, is getting its historic center back. >> critics are opposed to the cost and what they see as the reconstruction of oppression monument -- of a prussian monume