JOHANNESBURG: Fire and emergency personnel work on the scene of a deadly fire in a building in downtown Johannesburg on Thursday, August 31. At least 74 people have died and dozens more were injured after the fire tore through the five-story building that had been turned into informal housing (Jerome Delay/AP)

LIBREVILLE: A torn campaign billboard of ousted Gabon President Ali Bongo Ondimba is pictured in Libreville, Gabon, on Thursday, August 31. A military coup thrust the Central African nation into turmoil Wednesday, unseating Bongo — whose family had held power for more than half a century — just minutes after he was named the winner of a contested election (AFP/Getty Images)

LONDON: People look at pictures of Princess Diana at the gates of Kensington Palace in London on Thursday, August 31, the anniversary of her death (Frank Augstein/AP)

BUDAPEST: US sprinters Christian Coleman and Sha'Carri Richardson collide as they celebrate winning both the men's and women's 4x100-meter relay finals at the World Athletics Championship in Budapest on Saturday, August 26 (Patrick Smith/Getty Images)

BUNOL: People throw tomatoes at each other during the 76th Tomatina Festival in Bunol, Spain, on Wednesday, August 30. Approximately 15,000 participants threw a total of 120 tons of tomatoes during the festival (Burak Akbulut/Anadolu Agency/Getty Images)

ZANDVOORT: Dutch driver Max Verstappen celebrates his Dutch Formula one Grand Prix win with members of the Red Bull Racing team in Zandvoort, Netherlands, on Sunday, August 27. Verstappen's win was his eleventh of the season and ninth in a row, drawing him level with Sebastian Vettel for the most consecutive victories in F1 history (Koen Van Weel/ANP/AFP/Getty Images)

BAD GASTEIN: Muddy water flows past a waterfall in the center of Bad Gastein, Austria, on Monday, August 28. Authorities in the Tyrol and Salzburg provinces in western Austria put people on alert on Monday amid flooding and landslide risks due to heavy rains (FMT-Pictures - PP/APA/AFP/Getty Images)

QUITO: Police inspect a truck that exploded outside an office used by Ecuador's corrections system in Quito early Thursday, August 31. Four car bombs exploded in the country overnight within hours of each other, police said. No one was injured. Ecuador National Police Gen. Pablo Ramírez told reporters the explosions in Quito were related to "several transfers of inmates (Carlos Noriega/AP)

POHENIX: Hikers watch the Super Blue Moon from the summit of Piestewa Peak in Phoenix on Wednesday, August 30 (Rob Schumacher/The Republic/USA Today Network)

RIO GRANDE: Migrants climb over a barbed wire fence after crossing the Rio Grande from Mexico into Eagle Pass, Texas, on Sunday, August 27 (Suzanne Cordeiro/AFP/Getty Images)