A woman watches the sea near a red flag warning of dangerous conditions at a closed beach as storm Pamela approaches the Pacific coast resort, in Mazatlan, Mexico, October 12, 2021. REUTERS/Daniel Becerril

A warning sign is pictured on the fence at a National Grid gas facility near Knutsford, Britain, October 11, 2021. REUTERS/Phil Noble

A warning sign is posted for people to stay out of the water after a major oil spill off the coast of California came ashore in Huntington Beach, California, U.S., October 4, 2021. REUTERS/Mike Blake

A warning sign is posted for people to stay out of the water after a major oil spill off the coast of California came ashore in Huntington Beach, California, U.S., October 4, 2021. REUTERS/Mike Blake

A flashing caution sign flashes a warning to people driving along Huntington beach, where the major oil spill off the coast of California has come ashore, California, U.S. October 4, 2021. REUTERS/Mike Blake

Sachets of Nutriset, peanut-based paste for treatment of severe acute malnutrition are seen packaged at the Nutriset factory in Fort-Dauphin, southern Madagascar October 01, 2021. Picture taken October 01, 2021. REUTERS/Joel Kouam

Boxes of Nutriset, peanut-based paste for treatment of severe acute malnutrition are seen packaged at the Nutriset factory in Fort-Dauphin, southern Madagascar October 01, 2021. Picture taken October 01, 2021. REUTERS/Joel Kouam

Madagascar's President Andry Rajoelina and his wife Mialy attend the inauguration of the Nutriset factory in Fort-Dauphin, southern Madagascar October 01, 2021. Picture taken October 01, 2021. REUTERS/Joel Kouam

Malagasy children eat a meal at the Avotse feeding program that benefits malnourished children with hot meals in Maropia Nord village in the region of Anosy, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

A Malagasy beneficiary of the Titre Vert project (Green Title project) allowing villagers and refugees to utilise land is seen in an agricultural plot in Fort-Dauphin, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Madagascar's President Andry Rajoelina and his wife Mialy attend the launch of the Titre Vert project (Green Title project) allowing villagers and refugees to utilise land in Fort-Dauphin, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Malagasy children eat a meal at the Avotse feeding program that benefits malnourished children with hot meals in Maropia Nord village in the region of Anosy, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Madagascar's President Andry Rajoelina addresses beneficiaries of the Titre Vert project (Green Title project) allowing villagers and refugees to utilise land in Fort-Dauphin, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

A Malagasy child eats a meal at the Avotse feeding program that benefits malnourished children with hot meals in Maropia Nord village in the region of Anosy, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Residents attend the launch of the Titre Vert project (Green Title project) allowing villagers and refugees to utilise land in Fort-Dauphin, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Malagasy children eat a meal at the Avotse feeding program that benefits malnourished children with hot meals in Maropia Nord village in the region of Anosy, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Malagasy men attend the launch of the Titre Vert project (Green Title project) allowing villagers and refugees to utilise land in Fort-Dauphin, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Malagasy children eat a meal at the Avotse feeding program that benefits malnourished children with hot meals in Maropia Nord village in the region of Anosy, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Malagasy children eat a meal at the Avotse feeding program that benefits malnourished children with hot meals in Maropia Nord village in the region of Anosy, southern Madagascar September 30, 2021. Picture taken September 30, 2021. REUTERS/Joel Kouam

Lorries drive past a fuel warning sign on the M1 motorway amid a fuel shortage, in Luton, Britain, September 30, 2021. REUTERS/Peter Cziborra

A Malagasy climate refugee woman and her child are seen in the camp located in Ambovombe, capital of Androy region in southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

Malagasy climate refugees are seen in the camp located in Ambovombe, capital of Androy region in southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

Malagasy woman with her face painted, stands outside her house in the town of Ambovombe, southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

A Malagasy climate refugee child is seen in the camp located in Ambovombe, capital of Androy region in southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

A general view shows the road to Betsimieda, Androy region, southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

A Malagasy climate refugee woman and her child are seen in the camp located in Ambovombe, capital of Androy region in southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

Tsimamorekm Aly, 44, a Malagasy victim of climate change and his family are seen outside their shelter in Betsimieda, Androy region, southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

Tsimamorekm Aly, 44, a Malagasy victim of climate change is seen outside his shelter in Betsimieda, Androy region, southern Madagascar September 29, 2021. Picture taken September 29, 2021. REUTERS/Joel Kouam

A KJ-500 early warning aircraft is seen displayed at the China International Aviation and Aerospace Exhibition, or Airshow China, in Zhuhai, Guangdong province, China September 28, 2021. REUTERS/Aly Song

Visitors look at a KJ-500 early warning aircraft displayed at the China International Aviation and Aerospace Exhibition, or Airshow China, in Zhuhai, Guangdong province, China September 28, 2021. REUTERS/Aly Song

A car display warns the driver that fuel is needed, Newcastle-under-Lyme, Britain, September 24, 2021. REUTERS/Carl Recine

A car display warns the driver that fuel is needed, Newcastle-under-Lyme, Britain, September 24, 2021. REUTERS/Carl Recine

A car display warns the driver that fuel is needed, Newcastle-under-Lyme, Britain, September 24, 2021. REUTERS/Carl Recine

A car display warns the driver that fuel is needed, Newcastle-under-Lyme, Britain, September 24, 2021. REUTERS/Carl Recine

Laurence Jamet, Parisian woman blind since birth, shows the cane and the electronic device, called Rango, invented by the Lyon-based startup Gosense, which uses sound and augmented reality to warn visually impaired people before a collision can occur, during an interview with Reuters in Paris, France, September 21, 2021. Picture taken September 21, 2021. REUTERS/Manuel Ausloos

Laurence Jamet, Parisian woman blind since birth, walks with a cane and the electronic device, called Rango, invented by the Lyon-based startup Gosense, which uses sound and augmented reality to warn visually impaired people before a collision can occur, during an interview with Reuters in Paris, France, September 21, 2021. Picture taken September 21, 2021. REUTERS/Manuel Ausloos

Laurence Jamet, Parisian woman blind since birth, walks with a cane and the electronic device, called Rango, invented by the Lyon-based startup Gosense, which uses sound and augmented reality to warn visually impaired people before a collision can occur, during an interview with Reuters in Paris, France, September 21, 2021. Picture taken September 21, 2021. REUTERS/Manuel Ausloos

A vehicle with loudspeakers to warn neighbours of an emergency is photographed in El Paso, on the Canary Island of La Palma, Spain, September 19, 2021. REUTERS/Borja Suarez

A sign warning visitors to leave because of fire is seen at the Hospital Rock picnic area of the Sequoia National Park, in Tulare County, California, U.S. September 18, 2021. REUTERS/Fred Greaves

A warning label is seen on the front of a gas meter at a house in Manchester, Britain, September 18, 2021. REUTERS/Phil Noble

Hugues de Chaumont, Gosense cofounder and CEO, and Francois Birot, Gosense cofounder and Chief Scientific Officer (CSO), pose with a cane and the electronic device, called Rango, invented by the Lyon-based startup, which uses sound and augmented reality to warn visually impaired people before a collision can occur, during an interview with Reuters in Lyon, France, September 16, 2021. Picture taken September 16, 2021. REUTERS/Manuel Ausloos

A sign warns visitors that weapons are prohibited by U.S. Capitol Police on Capitol grounds, surrounded by a security fence ahead of an expected rally Saturday in support of the Jan. 6 defendants in Washington, U.S. September 16, 2021. REUTERS/Jonathan Ernst

A sign reads, "High voltage. Danger of death", at an electricity substation on the outskirts of Ronda, Spain September 14, 2021. REUTERS/Jon Nazca

Displays warn commuters of delays caused by heavy rainfall and flooding during the morning rush in the NYC subway after the remnants of Tropical Storm Ida struck the northern mid-Atlantic, in New York City, U.S., September 2, 2021. REUTERS/Caitlin Ochs

A commuter checks her phone with signs warning of delays caused by heavy rainfall and flooding in the New York City subway after the remnants of Tropical Storm Ida brought drenching rain and the threat of flash floods to parts of the northern mid-Atlantic, in New York City, U.S., September 2, 2021. REUTERS/Caitlin Ochs

Tape warns commuters not to enter a closed subway station at 28th street, which was heavily flooded when the remnants of Tropical Storm Ida brought drenching rain and the threat of flash floods to parts of the northern mid-Atlantic, in New York City, U.S., September 2, 2021. REUTERS/Caitlin Ochs

People look at sign warning about the strike at the DB Berlin Hauptbahnhof or Berlin main train station in Berlin, Germany September 2, 2021. REUTERS/Michele Tantussi

People walk past a sign warning about the strike, at the DB Berlin Hauptbahnhof or Berlin main train station during a strike held by train conductors, in Berlin, Germany September 2, 2021. REUTERS/Michele Tantussi

A woman orders at a McDonald's drive thru during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

People eat at Summit Diner during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

People eat at Summit Diner during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

People eat at Summit Diner during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A man eats at Summit Diner during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A woman drives through a flooded parking lot during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A flooded car is pictured during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A flooded car is pictured during an emergency flash flood warning in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A man walks towards his truck during an emergency flash flood warning at a truck stop in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A man walks towards his truck during an emergency flash flood warning at a truck stop in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A man fills up his truck with gas during an emergency flash flood warning at a truck stop in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier

A man fills up his truck with gas during an emergency flash flood warning at a truck stop in Somerset, Pennsylvania, U.S., September 1, 2021. REUTERS/Hannah Beier