Carlos Arthur Nuzman, president of the Rio 2016 Organizing Committee for the Olympic and Paralympic Games, reacts during the press conference of the inauguration of the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Carlos Arthur Nuzman, president of the Rio 2016 Organizing Committee for the Olympic and Paralympic Games, addresses the press conference of the inauguration of the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Carlos Arthur Nuzman, president of the Rio 2016 Organizing Committee for the Olympic and Paralympic Games, reacts during the press conference of the inauguration of the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

A robot impersonating the Rio 2016 Olympic mascot Vinicius leads the way in the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Photo taken on July 5, 2016 shows the exterior of the Olympic city museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Rio de Janeiro city mayor Eduardo Paes runs on the tracks inside the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Photo taken on July 5, 2016 shows the interior of the Olympic city museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Carlos Arthur Nuzman (top), president of the Rio 2016 Organizing Committee for the Olympic and Paralympic Games, addresses the press conference of the inauguration of the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Rio de Janeiro city mayor Eduardo Paes rides on a handbike inside the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Carlos Arthur Nuzman (front 2nd L), president of the Rio 2016 Organizing Committee for the Olympic and Paralympic Games visits the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

A journalist takes photos during the press conference of the inauguration of the Olympic city museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Rio de Janeiro city mayor Eduardo Paes addresses the press conference of the inauguration of the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Rio de Janeiro city mayor Eduardo Paes (front 3rd R) inaugurates the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil, on July 5, 2016. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)

Photo taken on July 5, 2016 shows the interiors of the Olympic City Museum which sits next to the Engenhao Stadium, in Rio de Janeiro, Brazil. The Olympic City Museum opened here on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)