Robot couple Xiaolan (L) and Xiaotao carry trays of food at a restaurant in Jinhua, Zhejiang province, China, May 18, 2015. The restaurant, which opened on Monday, has two robots delivering food for customers. The robots were designed as a couple, Xiaolan and Xiaotao, according to local media. (Photo by Reuters/Stringer)

Nestled among the cocoa plantations of western Ivory Coast is a gold mine that does not feature on any official maps. It is not run by an industrial mining company, nor does it pay taxes to the central government. The unlicensed mine is a key part of a lucrative business empire headed by the deputy commander of the West African nation's elite Republican Guard, United Nations investigators allege. Here: A gold prospector sits and eats close to a soldier at a gold mine near the village of Gamina, in western Ivory Coast, March 18, 2015. (Photo by Luc Gnago/Reuters)

Dave Woods, 47, waits on an overpass in support for trucks driving in a convoy bound for the nation's capital to protest against coronavirus disease (COVID-19) vaccine mandates, in Wabash Township, Illinois, U.S. March 1, 2022. (Photo by Cheney Orr/Reuters)

Ketula Melo from the Imperatriz Leopoldinense samba school performs during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Friday, April 22, 2022. (AP Photo/Bruna Prado)

A Maasai woman arrives with collected firewoods at a village nearby Selenkay Conservancy, a community-owned conservation area running by a private company, in Amboseli, Kenya, on June 22, 2022. The camp's ten luxurious tents see tourists flocking again, after the shutdown linked to Covid-19. They observe in small groups elephants, giraffes, antelopes or lions on 5,000 hectares, located on the edge of Amboseli National Park, in the south of the country, and have a glimpse of the life of the Masai, the owners of the land. (Photo by Yasuyoshi Chiba/AFP Photo)

Family members mourn the passing of Manuela Chavez, who died from symptoms related to the new coronavirus at the age of 88, as a government team prepares to remove her body from inside her home, in the Shipibo Indigenous community of Pucallpa, in Peru's Ucayali region, Monday, August 31, 2020. While the lucky are cured with ancestral ailments, the less fortunate often die at home. A government team travels from one spartan, thatch-roofed home to the next, removing the dead from their homes where they took their last breaths. (Photo by Rodrigo Abd/AP Photo)

Vehicles move past a man wearing a protective mask against COVID-19 as he waits for the bus in Karachi, Pakistan on December 11, 2020. (Photo by Akhtar Soomro/Reuters)

A protester reacts during a rally against the government's restrictions following the coronavirus disease (COVID-19) outbreak, in Berlin, Germany, August 29, 2020. (Photo by Christian Mang/Reuters)