president building site the real estate tycoon is always busy but he's found time for a brief interview gruner is one of the richest men in germany and he didn't inherit his money he made it himself his company is turning this high rise office building into luxury apartments. you know especially if you think gentrification is going to change berlin a lot it intervenes here. i think palin will retain its identity there's no law that says we have a right to live in beautiful old apartments with stucco on the ceiling for me is 6 euros a square meter it's not a fundamental right. there is a fundamental right to housing or not yes to housing but who says it has to be cheap and in the heart of the city in future affordable housing might be on the outskirts rather than downtown. in time. tell us about the building we're in how do you find it before and pick tom. nobody was interested in it it's an old office building and was riddled with asbestos so we approached the local off artes and proposed turning it into apartments. the purchase price was 21000000 euros his company is investing a further 50000