Gladys Kisemei, a tour guide at Emboo River Camp picks up tourists from Ol Kiombo airstrip using an electric-powered safari vehicle at the Maasai Mara National Reserve in Narok County, Kenya July 16, 2021. Picture taken July 16, 2021. REUTERS/Monicah Mwangi

Gladys Kisemei, a tour guide at the Emboo River Camp drives tourists from the Ol Kiombo airstrip using an electric-powered safari vehicle at the Maasai Mara National Reserve in Narok County, Kenya July 16, 2021. Picture taken July 16, 2021. REUTERS/Monicah Mwangi

Tour vehicles are stationed to receive visitors at the Ol Kiombo airstrip, amid the coronavirus disease (COVID-19) pandemic, within the Maasai Mara game reserve in Narok county, Kenya July 16, 2021. REUTERS/Monicah Mwangi

Visitors arrive at the Ol Kiombo airstrip, amid the coronavirus disease (COVID-19) pandemic, within the Maasai Mara game reserve in Narok county, Kenya July 16, 2021. REUTERS/Monicah Mwangi

Tour trucks are stationed to receive visitors at the Ol Kiombo airstrip, amid the coronavirus disease (COVID-19) pandemic, within the Maasai Mara game reserve in Narok county, Kenya July 16, 2021. REUTERS/Monicah Mwangi

An Aeromexico airplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

An Aeromexico airplane is pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

An Aeromexico airplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

An Aeromexico airplane is pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

An Aeromexico airplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

An Aeromexico airplane is pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico April 21, 2021. REUTERS/Edgard Garrido

A man is pictured on the airstrip of the new international airport in Zumpango de Ocampo, at the Santa Lucia military airbase on the outskirts of Mexico City, Mexico February 10, 2021. REUTERS/Edgard Garrido

An Interjet aeroplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 19, 2020. REUTERS/Edgard Garrido

Children play in floodwaters at the airstrip after the River Nile broke the dykes in Pibor, Greater Pibor Administrative Area, South Sudan October 6, 2020. REUTERS/Andreea Campeanu

Children play in the floodwaters at the airstrip near a WFP helicopter, after the River Nile broke the dykes in Pibor, Greater Pibor Administrative Area, South Sudan October 6, 2020. REUTERS/Andreea Campeanu

Children play in floodwaters at the airstrip after the River Nile broke the dykes in Pibor, Greater Pibor Administrative Area, South Sudan October 6, 2020. REUTERS/Andreea Campeanu

Children play in the floodwaters at the airstrip after the River Nile broke the dykes in Pibor, Greater Pibor Administrative Area, South Sudan October 6, 2020. REUTERS/Andreea Campeanu

Children play in the floodwaters at the airstrip after the River Nile broke the dykes in Pibor, Greater Pibor Administrative Area, South Sudan October 6, 2020. REUTERS/Andreea Campeanu

An Aeromexico airplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico, July 1, 2020. REUTERS/Edgard Garrido

An Aeromexico airplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico, July 1, 2020. REUTERS/Edgard Garrido

A WFP (World Food Program) helicopter is seen on the flooded airstrip, after heavy rains and floods forced hundreds of thousands of people to leave their homes, in the town of Pibor, Boma state, South Sudan, November 6, 2019. Picture taken November 6, 2019. REUTERS/Andreea Campeanu

A Guatemalan soldier is pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is seen during a military operation as they destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is seen during a military operation as they destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is seen during a military operation as they destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is seen during a military operation as they destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A view shows the cockpit of an army helicopter as it flies over an area during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

Guatemalan soldiers are pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

Guatemalan soldiers patrol during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

Guatemalan soldiers stand guard during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

Guatemalan soldiers are pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

A Guatemalan soldier is pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

Guatemalan soldiers are pictured during a military operation to destroy a clandestine airstrip used for smuggling drugs during a temporary state of siege in the village of Teleman, Guatemala September 20, 2019. Picture taken September 20, 2019. REUTERS/Josue Decavele

An aerial view shows an illegal airstrip for loggers and farmers, near the city of Altamira, Para state, Brazil, September 11, 2019. REUTERS/Nacho Doce

An aerial view shows an illegal airstrip for loggers and farmers, near the city of Altamira, Para state, Brazil, September 11, 2019. REUTERS/Nacho Doce

An aerial view shows an illegal airstrip for loggers and farmers, near the city of Altamira, Para state, Brazil, September 11, 2019. REUTERS/Nacho Doce

A technician walks on the airstrip on the aircraft carrier "Charles de Gaulle", after the completion of its 18 month-long renovation off Toulon, France, November 8, 2018. Christophe Simon/Pool via REUTERS

Technicians work near Rafale jet fighters on the airstrip on the aircraft carrier "Charles de Gaulle", after the completion of its 18 month-long renovation off Toulon, France, November 8, 2018. Christophe Simon/Pool via REUTERS

Technicians work near a Rafale jet fighter on the airstrip on the aircraft carrier "Charles de Gaulle", after the completion of its 18 month-long renovation off Toulon, France, November 8, 2018. Christophe Simon/Pool via REUTERS

Technicians stand on the airstrip on the aircraft carrier "Charles de Gaulle", after the completion of its 18 month-long renovation off Toulon, France, November 8, 2018. Christophe Simon/Pool via REUTERS

Technicians walk on the airstrip on the aircraft carrier "Charles de Gaulle", after the completion of its 18 month-long renovation off Toulon, France, November 8, 2018. Christophe Simon/Pool via REUTERS

A technician stands on the airstrip on the aircraft carrier "Charles de Gaulle", after the completion of its 18 month-long renovation off Toulon, France, November 8, 2018. Christophe Simon/Pool via REUTERS

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 28, 2017. REUTERS/Ginnette Riquelme

An Embraer ERJ-190AR aeroplane of Aeromexico Connect, regional operator of Mexico's largest airline Aeromexico, is pictured at the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 28, 2017. REUTERS/Ginnette Riquelme

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 28, 2017. REUTERS/Ginnette Riquelme

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 28, 2017. REUTERS/Ginnette Riquelme

An aeroplane of Aeromexico Connect, regional operator of Mexico's largest airline Aeromexico, is pictured at the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 28, 2017. REUTERS/Ginnette Riquelme

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico, November 28, 2017. REUTERS/Ginnette Riquelme

An Interjet aeroplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico, June 27, 2017. REUTERS/Edgard Garrido

Aeromexico aeroplanes are pictured on the airstrip at Benito Juarez international airport in Mexico City, Mexico, June 27, 2017. REUTERS/Edgard Garrido

An Aeromexico aeroplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico, June 27, 2017. REUTERS/Edgard Garrido

A Volaris aeroplane prepares to land on the airstrip at Benito Juarez international airport in Mexico City, Mexico, June 27, 2017. REUTERS/Edgard Garrido

An Aeromexico aeroplane is seen on the airstrip during a launch event of the new alliance between AeroMexico and Delta Airlines and their announcement as sponsors of the Mexican soccer team, in Mexico City, Mexico, May 3, 2017. REUTERS/Edgard Garrido

U.S. President Barack Obama (3rd R) gets off from a helicopter at an airfield near Hiroshima Peace Memorial Park and Museum in Hiroshima, Japan May 27, 2016. REUTERS/Carlos Barria