Johanna Kwiat [2016] Up yours scaffolding. Intervention in Crystal Palace, reclaimed estate agent sign February 27, 2017 519 × 908 Johanna Kwiat [2016] Up yours scaffolding. Intervention in Crystal Palace, reclaimed estate agent sign Johanna Kwiat [2016] Up yours scaffolding. Intervention in Crystal Palace, reclaimed estate agent sign. Johanna Kwiat [2016] Up yours scaffolding. Intervention in Crystal Palace, reclaimed estate agent sign.