Monumental Axis is the central avenue in Brasilia's city design
Explanation:
The first section of the monumental avenue is known to be the "Ministries Esplanade" because it is enveloped by ministers building. Many important government buildings and monuments are established on the monumental axis.
Cathedral of Brasilia is present there in the monumental axis. It was constructed after 1950 as a plan to construct a modern city. It serves ti be the major transportation point. monumental axis have twelve lanes which marks to be the world' busy dual carriage way.
The Mekong river is one of the primary landforms in the South-east Asian peninsula wherein it stretches 4,200 km from Southern Cambodia to the north of Myanmar. In addition, the river system has been the source of transportation as well as fisheries in settlements surrounding it. The country where the river is not its primary water system would be Vietnam.
The study of the physical elements of the earth is the answer
