Academia Brasileira de Letras space, generating 70% of its current revenue. The rest comes from rental of other buildings, which were legated by book editor Francisco Alves, in 1917, and from financial investments. This comfortable situation allows for paying a "jeton" to each academician. The ABL is located just by its side, in a neoclassical building, which is named "Petit Trianon". It was donated by the government of France in 1923 and is so named because it is a copy of the Petit Trianon palace in Versailles, near Paris, France. It has recently inaugurated one of the largest public libraries in Rio, with 90,000
Palace of the Shirvanshahs to the palace, stands a mausoleum, built in the second half of the 15th century, called the mausoleum of the "dervish" and known as the burial of the court scholar Khalil Ili Seyid Yahya Bakuvi, who was engaged in medicine, mathematics, and astrology. The mausoleum has an octagonal body, which completes the pyramidal tent. The interior of the mausoleum consists of an underground crypt where the tombstone of Bakuvi is located, and a camera above it. Small octagonal volume of the mausoleum turns into a drum covered with a dome. On the sides of the mausoleum there are three small