After stints in Germany and Egypt , Leonie Herweg and her partner, Simon Freund, bought this 355-square-foot Berlin studio from her great-uncle Klaus. “He bought the studio at the age of 80 because he still wanted to experience life,” Herweg laughs. Located inside a 1950s building, Klaus' apartment needed a thorough renovation. As the couple set forth making their new home, they fell in love with the surrounding Hansaviertel neighborhood too. The pair opened Café Tiergarten and Grotto, their art gallery, as a love letter to the community they were moving into. Below, AD Germany chats with the creatives about their unexpected enterprise and renovating a small space in a historic building. The couple incorporated a dining table into their Vitsœ shelving system. Herweg and Freund found the dining chairs by Bruno Rey in a barn in Switzerland’s Bernese Oberland. The small painting on the right is by Austrian artist Katrin Plavcak.…