for another , which was nominated by Serbia for an Oscar in 2002. During the 2006 dive, a miniature, long amphipoda, previously undiscovered in Serbia, was found. It was closed in 2007, reconstructed and reopened in March 2014, but as of 2017 the upper section is open for visitors while the descent is forbidden due to the safety reasons. Divers explored it again in November 2017. The bottom wasn't flat anymore as the bench and coins were covered with a thick layer of some of construction waste, iron bars, reflector lights, wired trash bins, etc., which all made the well shallower. Cans, plastic bottles and lids were floating on the water, while a pile of new coins formed. The divers suggested that the well should be cleaned at least once a year. Still, the water was unusually clear, with artificial reflector light it was transparent all the way to the bottom, or and had a temperature of . After 300 years, speleothems began to form near the bottom of the well. Existence of another water well, sort of a "twin" of the Roman well, is not widely known today. This well, built on the same principle and being about the same depth, is located away from the fortress, below the modern Monument to Vuk Karadžić in the Vukov Spomenik neighborhood. Damad Ali Pasha's türbe (1784) The türbe is located on the central plateau of the Upper Town and is one of the few remaining monuments of Islamic architecture in Belgrade. It was named after Damad Ali Pasha, a Grand Vizier of the Ottoman Empire 1713–16, during the reign of Sultan Ahmed III. The mausoleum, however, is younger. It was built in 1784 over the grave of Izzet Mehmed Pasha, another Grand Vizier and a muhafiz, or governor, of Belgrade. The türbe was badly damaged during the First Serbian Uprising, so the Ottoman governor of Serbia, Marashli Ali Pasha, reconstructed it in 1818–19 and dedicated it to Damad Ali Pasha. Another two muhafiz, this time administering only the fortress as Serbia gained autonomy, were buried in the türbe: Selim Sirri Pasha in 1847 and Hasan Pasha in 1850. The mausoleum is made of stone, with a regular hexagonal base. The sides are long, it is tall with a diameter of . A thorough renovation began in May 2017 and should be finished by October. The wiring and the roof are replaced,