1/4 Hippolyte Hentgen, La part volée May 12th — September 5th, 2015 2/4 Hippolyte Hentgen, La part volée May 12th — September 5th, 2015 3/4 Hippolyte Hentgen, La part volée May 12th — September 5th, 2015 4/4 Hippolyte Hentgen, La part volée May 12th — September 5th, 2015