country rowing at the 1968 summer olympics
___MASK48___ City , officially City of ___MASK48___ (, ; abbreviated as " CDMX "), is the capital and most populous city of the United Mexican States . As an " alpha " global city , ___MASK48___ City is one of the most important financial centers in the Americas . It is located in the Valley of ___MASK48___ (" Valle de México "), a large valley in the high plateaus at the center of ___MASK48___ , at an altitude of . The city consists of sixteen municipalities ( previously called boroughs ). The 1968 Summer Olympics ( Spanish : " Juegos Olímpicos de Verano de 1968 "), officially known as the Games of the XIX Olympiad , were an international multi - sport event held in ___MASK48___ City , ___MASK48___ , in October 1968 . Lake Xochimilco is an ancient endorheic lake , located in the present - day Borough of Xochimilco in southern ___MASK12___ City . Xochimilco ( modern Nahuatl pronunciaiton ) is one of the 16 " mayoralities " ( Spanish : " alcaldías ") or boroughs within ___MASK48___ City . The borough is centered on the formerly independent city of Xochimilco , which was established on what was the southern shore of Lake Xochimilco in the pre - Hispanic period . Today , the borough consists of the eighteen  barrios  or neighborhoods of this city along with fourteen  pueblos  or villages that surround it , covering an area of . The borough is in the southeastern part of the city and has an identity that is separate from the historic center of ___MASK48___ City , due to its historic separation from that city during most of its history . Xochimilco is best known for its canals , which are left from what was an extensive lake and canal system that connected most of the settlements of the Valley of ___MASK48___ . These canals , along with artificial islands called chinampas , attract tourists and other city residents to ride on colorful gondola - like boats called  trajineras  around the of canals . This canal and chinampa system , as a vestige of the area  s pre - Hispanic past , has made Xochimilco a World Heritage Site . In 1950 , Paramahansa Yogananda in his celebrated classic Autobiography of a Yogi wrote that if there is a scenic beauty contest , Xochimilco will get the First Prize . However , severe environmental degradation of the canals and chinampas has brought that status into question . ___MASK48___ (, modern Nahuatl ), officially the United Mexican States , is a federal republic in the southern half of North America . It is bordered to the north by the United States ; to the south and west by the Pacific Ocean ; to the southeast by Guatemala , Belize , and the Caribbean Sea ; and to the east by the Gulf of ___MASK48___ . Covering almost two million square kilometers ( over 760 , 000 sq mi ), ___MASK48___ is the sixth largest country in the Americas by total area and the 13th largest independent nation in the world . With an estimated population of over 120 million , it is the eleventh most populous country and the most populous Spanish - speaking country in the world while being the second most populous country in Latin America . ___MASK48___ is a federation comprising 31 states and a federal district that is also its capital and most populous city . Other metropolises include Guadalajara , Monterrey , Puebla , Toluca , Tijuana and León . Rowing at the 1968 Summer Olympics featured 7 events , for men only . The events took place at Lake Xochimilco .