The Hôtel Solvay is a large Art Nouveau town house designed by Victor Horta on the Avenue Louise in Brussels. The house was commissioned by Armand Solvay, the son of the wealthy Belgian chemist and industrialist Ernest Solvay. For this wealthy patron Horta could spend a fortune on precious materials and expensive details. Horta designed every single detail; furniture, carpets, light fittings, tableware and even the door bell. He used expensive materials such as marble, onyx, bronze, tropic woods etc. For the decoration of the staircase Horta cooperated with the Belgian pointillist painter Théo van Rysselberghe. The Hôtel Solvay and most of its splendid content remained intact thanks to the Wittamer family. They acquired the house in the 1950s and did the utmost to preserve and restore this magnificent dwelling. The house is still private property and can only be visited by appointment and under very strict conditions. The edifice is on the UNESCO World Heritage List.
The UNESCO commission recognized the Hôtel Solvay as UNESCO World Heritage in 2000 as one of the Major Town Houses of the Architect Victor Horta.
References:The ancient Argos Theater was built in 320 BC. and is located in Argos, Greece against Larissa Hill. Nearby from this site is Agora, Roman Odeon, and the Baths of Argos. The theater is one of the largest architectural developments in Greece and was renovated in ca 120 AD.
The Hellenistic theater at Argos is cut into the hillside of the Larisa, with 90 steps up a steep incline, forming a narrow rectilinear cavea. Among the largest theaters in Greece, it held about 20,000 spectators and is divided by two landings into three horizontal sections. Staircases further divide the cavea into four cunei, corresponding to the tribes of Argos A high wall was erected to prevent unauthorized access into the theatron and may have helped the acoustics, but it is said the sound quality is still very good today.
Around 120 CE, both theaters were renovated in the Roman style.