Volcanic ash partially covers the shower plate of a home in El Paso as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 23, 2021. Picture taken October 23, 2021. REUTERS/Susana Vera

Volcanic ash covers a sweet on a road in Tajuya as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 23, 2021. Picture taken October 23, 2021. REUTERS/Susana Vera

Volcanic ash covers the ramp of a house in Los Llanos de Aridane as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 23, 2021. Picture taken October 23, 2021. REUTERS/Susana Vera

Volcanic ash covers discarded plastic wrapping in Tazacorte as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 23, 2021. Picture taken October 23, 2021. REUTERS/Susana Vera

A man sweeps a pavement covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

People clean the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

People clean the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A woman sweeps the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A woman sweeps the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A woman walks on the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A man cleans the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

Catalina Perez, 94, sweeps volcanic ash from the Cumbre Vieja volcano at the entrance to her house in Tajuya, on the Canary Island of La Palma, Spain, October 23, 2021. REUTERS/Susana Vera

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A man sweeps the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A man sweeps the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A man sweeps the top of the car covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A street is covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A man sweeps the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

A man sweeps the street covered in volcanic ashes from Mount Etna in Piedimonte Etneo, Italy October 23, 2021. REUTERS/Antonio Parrinello

Volcanic ash covers a star in a children's playground at Port of Tazacorte as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 22, 2021. Picture taken October 22, 2021. REUTERS/Susana Vera

A fly lies on volcanic ash covering a table of an outdoor terrace at the Port of Tazacorte as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 22, 2021. Picture taken October 22, 2021. REUTERS/Susana Vera

Volcanic ash covers the pavement at Port of Tazacorte as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 22, 2021. Picture taken October 22, 2021. REUTERS/Susana Vera

Volcanic ash covers a cable on a road in Tajuya as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 20, 2021. Picture taken October 20, 2021. REUTERS/Susana Vera

Volcanic ash covers a women's power sign on a street of Los Llanos de Aridane as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 20, 2021. Picture taken October 20, 2021. REUTERS/Susana Vera

A discarded beer can is partially buried in volcanic ash in El Paso as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 19, 2021. Picture taken October 19, 2021. REUTERS/Susana Vera

Volcanic ash covers the table and chairs at a bar terrace in Los Llanos de Aridane as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

Volcanic ash covers the floor of a house terrace in El Paso as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

Tire marks are seen on a road covered in volcanic ash at El Paso as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

A feather lays on ground covered in volcanic ash in El Paso as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

A worker sweeps volcanic ash from a road in Los Llanos de Aridane as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

Volcanic ash covers an information board at a lookout point in Tijarafe as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

Volcanic ash covers a banana leaf at a banana plantation in Los Llanos de Aridane as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

Chona Cruz sweeps volcanic ashes around her RV after she was forced to leave her home due to the eruption of the Cumbre Vieja volcano, in Llanos de Aridane, October 18, 2021. Picture taken October 18, 2021. REUTERS/Susana Vera

Volcanic ash covers an ashtray and keys as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, in El Paso, Spain, October 18, 2021. REUTERS/Susana Vera

Volcanic ash covers a car as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, in El Paso, Spain, October 18, 2021. REUTERS/Susana Vera

People shelter from volcanic ash under umbrellas as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, in Llanos de Aridane, Spain, October 18, 2021. REUTERS/Susana Vera

A man sweeps volcanic ash off a roof terrace as smoke from Cumbre Vieja volcano's lava rises in the background on the Canary Island of La Palma, in El Paso, Spain, October 18, 2021. REUTERS/Susana Vera

A woman shelters from volcanic ash under an umbrella as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, in Llanos de Aridane, Spain, October 18, 2021. REUTERS/Susana Vera

A worker sweeps volcanic ash from the road as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, in Llanos de Aridane, Spain, October 18, 2021. REUTERS/Susana Vera

People shelter from volcanic ashes as they watch the Cumbre Vieja volcano erupting on the Canary Island of La Palma, as seen from Tajuya, Spain, October 18, 2021. REUTERS/Susana Vera TPX IMAGES OF THE DAY

Volcanic ash covers the hammock at a home in El Paso as the Cumbre Vieja volcano continues to erupt on the Canary Island of La Palma, Spain, October 17, 2021. Picture taken October 17, 2021. REUTERS/Susana Vera

A view of empty checking desks after flights were cancelled due to an accumulation of volcanic ash, at La Palma Airport, outside Santa Cruz de la Palma, on the Canary Island of La Palma, Spain October 17, 2021. REUTERS/Susana Vera

A Binter airlines staff member walks next to empty checking desks after flights were cancelled due to an accumulation of volcanic ash, at La Palma Airport, outside Santa Cruz de la Palma, on the Canary Island of La Palma, Spain October 17, 2021. REUTERS/Susana Vera

A man looks at an electronic board showing cancelled flights due to an accumulation of volcanic ash, at La Palma Airport, outside Santa Cruz de la Palma, on the Canary Island of La Palma, Spain October 17, 2021. REUTERS/Susana Vera

People line up to board a ferry to the Canary island of La Palma as some flights were suspended to the island due to volcanic ash from the Cumbre Vieja volcano eruption at the port of Los Cristianos in the south of the Canary island of Tenerife, Spain, October 16, 2021. REUTERS/Susana Vera

Volcanic ash covers the steps of a ferry to the Canary island of La Palma as some flights were suspended to the island due to volcanic ash from the Cumbre Vieja volcano eruption at the port of Los Cristianos in the south of the Canary island of Tenerife, Spain, October 16, 2021. REUTERS/Susana Vera

People line up to board a ferry to the Canary island of La Palma as some flights were suspended to the island due to volcanic ash from the Cumbre Vieja volcano eruption at the port of Los Cristianos in the south of the Canary island of Tenerife, Spain, October 16, 2021. REUTERS/Susana Vera

People line up to board a ferry to the Canary island of La Palma as some flights were suspended to the island due to volcanic ash from the Cumbre Vieja volcano eruption at the port of Los Cristianos in the south of the Canary island of Tenerife, Spain, October 16, 2021. REUTERS/Susana Vera

Empty checking desks are shown at the closed La Palma Airport, due to the accumulation of volcanic ash, on the Canary Island of La Palma, Spain October 7, 2021. REUTERS/Juan Medina

A general view shows the closed La Palma Airport, due to the accumulation of volcanic ash, on the Canary Island of La Palma, Spain October 7, 2021. REUTERS/Juan Medina

A man walks at the closed La Palma Airport, due to the accumulation of volcanic ash, on the Canary Island of La Palma, Spain October 7, 2021. REUTERS/Juan Medina

A woman looks at an electronic board showing canceled flights at the closed La Palma Airport, due to the accumulation of volcanic ash, on the Canary Island of La Palma, Spain October 7, 2021. REUTERS/Juan Medina

An electronic board shows canceled flights at the closed La Palma Airport, due to the accumulation of volcanic ash, on the Canary Island of La Palma, Spain October 7, 2021. REUTERS/Juan Medina