On top of the Hemicycle was a terrace wide. Further inside is a bench that surrounds a space similar to a hemicycle. Wright gave the house a unique design which he called a "Solar Hemicycle". WMSAMF asked the finalists to consider placing the visitors' center behind the Hemicycle. In the center of the Hemicycle is an apse across and high. Work on the Hemicycle began on July 1, 1931. The memorial foundation appealed, arguing that the pylons were part of the Hemicycle structure. The CFA reviewed and approved the plans for the Hemicycle in September 1930. On top of the Hemicycle is a terrace of light gray granite wide. The hemicycle of the Chamber is decorated in green. Vaught realized that rehabilitation of the Hemicycle was a different project from memorial construction. Work continued even after the Hemicycle was considered complete. Three quarters of Parliament sessions now take place at its Brussels hemicycle. Several members of Caruana Galizia's family attended the session at the hemicycle in Strasbourg. The winning design featured 10 triangular high illuminated glass pyramids on top of the Hemicycle.