 Constructed with thousands of 8mm thick glass window panes, glued together using invisible 2 part epoxy glue (Ciba-Geigy).The flat-drawn glass used (Emmaboda, Sweden) is deep green when seen from the edge of the pane (modern float glass would be much paler).Marieke Wijsman

Anne Marie Louise (Marieke) Wijsman (born 9 May 1975) is a Dutch former speed skater who represented her country in two Winter Olympics, and who was the first female speed skater to compete internationally on clap skates.