Question: Which architectural development had more towers, 80 Flatbush or Latting Observatory?

Context paragraphs:
Latting Observatory: The Latting Observatory was a wooden tower in New York City built as part of the 1853 Exhibition of the Industry of All Nations, adjoining the New York Crystal Palace.  It was located on the North side of 42nd Street between Fifth Avenue and Sixth Avenue across the street from the site of present-day Bryant Park.  Conceived by Waring Latting and designed by architect William Naugle, the observatory was an octagonally-based, iron-braced wooden tower 315 ft high adjoining the Crystal Palace, with landings at three levels on the structure, allowing visitors to see into Queens, Staten Island and New Jersey.  The tower, taller than the spire of Trinity Church at 290 ft , was the tallest structure in New York City from the time it was constructed in 1853 until it burned down in 1856.  The tower's base was a 75-foot square, tapering to a top of six to eight feet.  It could handle up to 1,500 people at a time.

Parsian style: The "Parsian style" (New Persian:شیوه معماری پارسی) is a style of architecture (""sabk"") when categorizing the history of Persian/Iranian architectural development.  Although the Median and Achaemenid architecture fall under this classification, the pre-Achaemenid architecture is also studied as a sub-class of this category.

Umeå School of Architecture: Umeå School of Architecture (abbreviated UMA) was founded in 2009 as the fourth academic school in Sweden to provide a professional degree in architecture.  It is part of Umeå University.  Unlike the other Architectural Schools in Sweden, UMA has a spoken policy of sustainable development and integrated design, and aims to grow into "an international laboratory of experimental architectural development."  The Danish architect Peter Kjaer is appointed rector for the school.

Balkan Cinema building, Belgrade: Cinema "Balkan" is located in Belgrade in 16, Braće Jugovića Street.  As a facility where significant events in the history and culture of Belgrade and Serbia took place and as part of the complex of buildings that were created in the late 19th century, the building of the “Balkan“ Cinema represents a testimony to the cultural, urban and architectural development of Belgrade during the second half of the 19th century and has the status of a cultural monument.

Pre-Parsian style: The "Pre-Parsian style" (New Persian:شیوه معماری پیش از پارسی) is a sub-style of architecture (or ""zeer-sabk"") when categorizing the history of Persian/Iranian architectural development.

80 Flatbush: 80 Flatbush is a mixed-use development encompassing two towers, proposed for the Brooklyn borough of New York City by Alloy Development.  The site is in Downtown Brooklyn near Boerum Hill and Fort Greene.  The completion of the project is contingent on the rezoning of the site owned by Alloy.

Lepenski Vir: Lepenski Vir (, "Lepen Whirl") is an important Mesolithic archaeological site located in Serbia in central Balkan peninsula.  The latest radiocarbon and AMS data suggests that the chronology of Lepenski Vir is compressed between 9500/7200-6000 BC.  There is some disagreement about the early start of the settlement and culture of Lepenski Vir.  But the latest data suggest 9500-7200 to be the start.  The late Lepenski Vir (6300-6000 BC) architectural development was the development of the Trapezoidal buildings and monumental sculpture The Lepenski Vir site consists of one large settlement with around ten satellite villages.  Numerous piscine sculptures and peculiar architecture have been found at the site.

German Architecture Museum: The German Architecture Museum ("Deutsches Architekturmuseum") (DAM) is located on the Museumsufer in Frankfurt, Germany.  Housed in an 18th-century building, the interior has been re-designed by Oswald Mathias Ungers in 1984 as a set of "elemental Platonic buildings within elemental Platonic buildings".  It houses a permanent exhibition entitled "From Ancient Huts to Skyscrapers" which displays the history of architectural development in Germany.

Al Fattan Marine Towers: The Al Fattan Marine Towers is a complex in the Dubai Marina section of Dubai, United Arab Emirates.  The towers are located within Jumeirah Beach Residence, a 40-tower, 7,000 unit residential and hotel development which runs alongside Dubai Marina.  The Al Fattan Marine Towers consist of two twin 50-story towers, the Al Fattan Tower, and the Oasis Beach Tower, consisting of serviced and residential apartments which have since been sold to individual investors and homeowners.  Both towers stand at a height of 245 m (804 ft) and a roof height of 230 m (755 ft), and are the tallest buildings in Jumeirah Beach Residence.  Construction of both towers was completed in 2006.  Following completion the developer, Al Fattan Properties LLC built a 12-storey office and retail building on an adjacent plot between the towers and Dubai Marina restricting views of the marina from the towers.  In 2012 Al Fattan commenced construction of two high-rise towers on the beach in front of the towers which will largely restrict seaviews from Al Fattan Marine Towers.  Al Fattan had earlier demolished a 10-story hotel on the site, the Oasis Hotel, which it had built about a decade earlier.  Originally Al Fattan proposed to build a mega 97-tower building on the site to be called Burj Al Fattan, however a subsequent decision was made to split the development into two high-rise towers.  The exact number of floors is not known as there has been no public disclosure of the project.

Taganrog City Architectural Development Museum: The Taganrog City Architectural Development Museum is housed in mansion designed by the architect Fyodor Schechtel in 1912 which belonged to merchant Sharonov.  The majolica panel decorating the frieze of the building was produced by Abramtsevo workshop based on the sketches of renowned artists as Nicholas Roerich, Mikhail Vrubel and Viktor Vasnetsov.

Supporting paragraphs: 80 Flatbush Latting Observatory
Answer: 80 Flatbush