Training for Summer Olympic games in Greece will be opened in the United States in September with about 400 people participating.

The U.N. Educational, Scientific and Cultural Organization (UNESCO) said Tuesday it will provide training materials for the summer Olympics in Athens.UNESCO’s International Olympic Committee is a United Nations agency that organizes the Summer Games in 2020 in Rio de Janeiro, Brazil.

It said its goal is to provide all the necessary equipment, materials and support for the event, which is to be held in the Greek resort town of Acropolis.UNICEF Greece is organizing the training in the country.

It said more than 100 people are expected to take part in the training and about 150 people will participate in the physical training exercises.UNIFORM International is providing more than 2,500 students from around the world, including teachers, health care workers and teachers, for the training.