![Berlin, Germany. 11th Sep, 2019. The performance "Two planets have been colliding for thousands of years" by the artist Dora Gracia can be seen in the exhibition "Walking Through Walls" on the Berlin, Germany. 11th Sep, 2019. The performance "Two planets have been colliding for thousands of years" by the artist Dora Gracia can be seen in the exhibition "Walking Through Walls" on the](https://c8.alamy.com/comp/WT5XY9/berlin-germany-11th-sep-2019-the-performance-two-planets-have-been-colliding-for-thousands-of-years-by-the-artist-dora-gracia-can-be-seen-in-the-exhibition-walking-through-walls-on-the-30th-anniversary-of-the-fall-of-the-berlin-wall-in-the-martin-gropius-bau-the-exhibition-runs-from-1209-2019-to-19012020-credit-britta-pedersendpa-zentralbilddpaalamy-live-news-WT5XY9.jpg)
Berlin, Germany. 11th Sep, 2019. The performance "Two planets have been colliding for thousands of years" by the artist Dora Gracia can be seen in the exhibition "Walking Through Walls" on the
![Berlin, Germany. 11th Sep, 2019. The installation "shadow play" by the artist Javier Tellez can be seen in the exhibition "Walking Through Walls" on the 30th anniversary of the fall of the Berlin, Germany. 11th Sep, 2019. The installation "shadow play" by the artist Javier Tellez can be seen in the exhibition "Walking Through Walls" on the 30th anniversary of the fall of the](https://c8.alamy.com/comp/WT67CG/berlin-germany-11th-sep-2019-the-installation-shadow-play-by-the-artist-javier-tellez-can-be-seen-in-the-exhibition-walking-through-walls-on-the-30th-anniversary-of-the-fall-of-the-berlin-wall-in-the-martin-gropius-bau-the-exhibition-runs-from-1209-2019-to-19012020-credit-britta-pedersendpa-zentralbilddpaalamy-live-news-WT67CG.jpg)
Berlin, Germany. 11th Sep, 2019. The installation "shadow play" by the artist Javier Tellez can be seen in the exhibition "Walking Through Walls" on the 30th anniversary of the fall of the
![Berlin, Germany. 11th Sep, 2019. A photograph by the artist Sibylle Bergemann can be seen in the exhibition "Walking Through Walls" on the 30th anniversary of the fall of the Berlin Wall Berlin, Germany. 11th Sep, 2019. A photograph by the artist Sibylle Bergemann can be seen in the exhibition "Walking Through Walls" on the 30th anniversary of the fall of the Berlin Wall](https://c8.alamy.com/comp/WT6C0F/berlin-germany-11th-sep-2019-a-photograph-by-the-artist-sibylle-bergemann-can-be-seen-in-the-exhibition-walking-through-walls-on-the-30th-anniversary-of-the-fall-of-the-berlin-wall-in-the-martin-gropius-bau-the-exhibition-runs-from-1209-2019-to-19012020-credit-britta-pedersendpa-zentralbilddpaalamy-live-news-WT6C0F.jpg)