Alstria Office REIT-AG, a leading multimedia agency, signed a lease on 4,800 sqm of office and ancillary space at Darwinstrasse 14-18 in Berlin. The 11-year rental contract will begin in December and will reportedly to produce an annual rental income of ā¬590,000. āFollowing the recent 3,500 sqm lease in Munich, this new lease demonstrates once again Alstria’s ability to take advantage of the current strong leasing momentum on the German market,ā says the companyās CEO, Olivier Elamine.