World Trade Center Montevideo officially opened in 1998, although work is still ongoing as of 2010[update]. The complex is composed of three towers, two three-story buildings called World Trade Center Plaza and World Trade Center Avenue and a large central square called Towers Square. World Trade Center 1 was the first building to be inaugurated, in 1998.[citation needed] It has 22 floors and 17,100 square metres of space. That same year the avenue and the auditorium were raised. World Trade Center 2 was inaugurated in 2002, a twin tower of World Trade Center 1. Finally, in 2009, World Trade Center 3 and the World Trade Center Plaza and the Towers Square were inaugurated. It is located between the avenues Luis Alberto de Herrera and 26 de Marzo and has 19 floors and 27,000 square metres (290,000 sq ft) of space. The 6,300-square-metre (68,000 sq ft)[citation needed] World Trade Center Plaza is designed to be a centre of gastronomy opposite Towers Square and Bonavita St. Among the establishments on the plaza are Burger King, Walrus, Bamboo, Asia de Cuba, Gardenia Mvd, and La Claraboya Cafe.
What was the first building to be inaugurated? 
World Trade Center 1