In this Friday, October 5, 2018, photo, men survey the damage in the Petobo neighborhood which was wiped out by liquefaction during a massive earthquake in Palu, Central Sulawesi, Indonesia. Many in the decimated village had no idea they were in an area already identified as a high-risk zone for this apocalyptic phenomenon that causes soft ground to liquefy during temblors. The area around Sulawesi island's Palu Bay had been slammed before and was due for another potential perfect storm, capable of unleashing earthquakes, landslides, tsunami waves, and soil liquefaction. (Photo by Dita Alangkara/AP Photo)





In this October 4, 2018, photo, villagers look at the damage on the city's iconic yellow Teluk Palu Bridge after a massive earthquake and tsunami damaged their seaside village in Palu, Central Sulawesi, Indonesia. The family lost their son. The 7.5 magnitude quake triggered not just a tsunami that leveled huge swathes of the region's coast, but a geological phenomenon known as liquefaction, making the soil move like liquid and swallowing entire neighborhoods. (Photo by Aaron Favila/AP Photo)





An excavator removes a damaged car next to the debris of a mosque damaged by an earthquake in the Balaroa neighbourhood in Palu, Central Sulawesi, Indonesia, October 8, 2018. (Photo by Athit Perawongmetha/Reuters)





In this October 4, 2018, photo, a woman walks past toppled structures along a busy road in the earthquake and tsunami-damaged Palu, Central Sulawesi, Indonesia. The 7.5 magnitude quake triggered not just a tsunami that leveled huge swathes of the region's coast, but a geological phenomenon known as liquefaction, making the soil move like liquid and swallowing entire neighborhoods. (Photo by Aaron Favila/AP Photo)





Firemen and engineers continue a rescue operation, inspecting and searching for missing people at the scene of a blast in a 21-storey apartment block in Chisinau, Moldova, 07 October 2018. According to police reports, three people died and ten people were hospitalized after a natural gas cylinder exploded in the house on night of 06 October 2108. Due to instability of the building, engineers are trying to stabilize the building to aid the extraction of victims. (Photo by EPA/EFE/Stringer)





Palestinians wait at an Israeli checkpoint near the scene of a shooting attack at Barkan industrial zone in the West Bank Sunday, October 7, 2018. A Palestinian attacker opened fire at joint Israeli-Palestinian industrial zone in the West Bank Sunday, killing two Israelis and seriously wounding a third, the military said. (Photo by Majdi Mohammed/AP Photo)





Supporters of Brazilian presidential candidate for the Social Liberal Party (PSL) Jair Bolsonaro cheer in front of the residential condominium where he lives, in Barra da Tijuca, in Rio de Janeiro, Brazil, on October 7, 2018, during general elections. Brazilians began casting ballots Sunday in their most divisive presidential election in years, with a far-right politician promising an iron-fisted crackdown on crime, Jair Bolsonaro, the firm favorite in the first round. (Photo by Mauro Pimentel/AFP Photo)





A SpaceX Falcon 9 rocket lights up the evening sky over Oceanside, California as it carries an Argentinian Earth-observing satellite into space after blasting off from Vandenberg Air Force Base, California, U.S., October 7, 2018. (Photo by Mike Blake/Reuters)





An Indian Air Force soldiers' Drill Team presents their skills as they perform during the Indian Air Force Day celebrations at the Air Force base Hindon on the outskirts of New Delhi, India, 08 October 2018. The Indian Air Force celebrates its 86th anniversary. (Photo by Rajat Gupta/EPA/EFE)





Alexandra Stepanova and Ivan Bukin of Russia perform during the Ice Dance Free Dance during the Finlandia Trophy Espoo, an international figure skating competition in Espoo, Finland October 7, 2018. (Photo by Markku Ulander/Lehtikuva via Reuters)





China's Shan Lin in action during a Diving practice at the Natatorium, Youth Olympic Park during The Youth Olympic Games, Buenos Aires, Argentina October 8, 2018. (Photo by Jed Leicester for OIS/IOC/Handout via Reuters)





Lina Lansberg (red gloves) fights Yana Kunitskaya (blue gloves) during UFC 229 in Las Vegas, United States on October 7, 2018. (Photo by Stephen R. Sylvanie/USA TODAY Sports)





Vincenzo Maiorca of Italy takes the lead as Chiawei Chang of Taiwan and Merijn Scheperkamp of the Netherlands fall during the Roller Speed Skating Mens Combined Speed Event Final at the Paseo De La Costa during the Youth Olympic Games, Buenos Aires, Argentina October 8, 2018. (Photo by Simon Bruty for OIS/IOC/Handout via Reuters)





A woman carries a children's balloon with a tank inside during an autumn festival held in central Moscow, Russia on October 7, 2018. (Photo by Mladen Antonov/AFP Photo)





Youth perform Georgian martial arts during the annual Tbilisoba festival, celebrating the City Day in Tbilisi, Georgia, October 7, 2018. (Photo by David Mdzinarishvili/Reuters)





In this October 7, 2018 file photo young women lift glasses of beer during the opening of the 185th “Oktoberfest” beer festival in Munich, Germany. (Photo by Matthias Schrader/AP Photo)





In this October 7, 2018 photo waitress dance in the Hofbraeu tent after the closing of the Oktoberfest beer festival in Munich, southern Germany, which ran from September 22 through October 7, 2018. (Photo by Felix Hoerhager/AP Photo)