The cellular prussian model prison in Berlin Moabit, constructed between 1842 and 1849 In lieu of communal cells and corporal punishment, the reformers devised a system of isolation with individual cells. In the last years of Worldwar 2 political prisoners have been captured and tortured in the prison. After its demolition in 1958 ist was used as a storage space. After the Berlin Wall fell the city contracted glasser and dagenbach to develope a recreational and memorial park. An architectural garden within the prison walls was created by using land art means - a prison story told in a park.

Udo Dagenbach in glasser and dagenbach creates border crossing design between landart and regular landscape architecture and shows new possibilities to design urban landscapes in many different parts of the world.

glasser and dagenbach are Berlin based landscape architects and develope urban spaces, parks as well as recreational projects for hotels, wellness clubs, the surroundings for schools, land art projects and sculptures. A team of 8-10 is involved in projects in Germany, Austria, Belgium, Italy, Russia, Armenia , Lithuania, Kazakhstan, Azerbaijan. and Tchad in Afrika. Close cooperation with architects is the basis in bigger urban developments.