A supporter of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, holds a flag during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

Supporters of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, hold flags during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

Supporters of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, hold flags during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

A supporter of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, holds flags during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

A supporter of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, holds flags during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, speaks during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, raises his arms during a rally after the mid-term election in Ciudad Juarez, Mexico June 6, 2021. Picture taken June 6, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua gestures at a polling station during the mid-term election in Ciudad Juarez Mexico June 6, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua holds his ballot before voting during the mid-term election in Ciudad Juarez Mexico June 6, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua casts his vote during the mid-term election in Ciudad Juarez Mexico June 6, 2021. REUTERS/Jose Luis Gonzalez

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, attends the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses her supporters during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, poses for a selfie with a supporter during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses to supporters during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

A supporter of Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, is pictured during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, gestures during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, gestures during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, celebrates during the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, attends the closing rally of her electoral campaign in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico June 1, 2021. REUTERS/Daniel Becerril

A billboard of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, is seen in Ciudad Juarez, Mexico May 27, 2021. Picture taken May 27, 2021. REUTERS/Jose Luis Gonzalez

A billboard of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, is seen in Ciudad Juarez, Mexico May 27, 2021. Picture taken May 27, 2021. REUTERS/Jose Luis Gonzalez

Supporters hold flags and a cutout of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, during his political campaign at a neighborhood in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Supporters hold flags and a cutout of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, during his political campaign in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Supporters hold flags during the political campaign of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Supporters hold a cutout of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, during his political campaign in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Children hold up a cutout of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, during his political campaign in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

A woman holds a flag during the political campaign of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

A boy holds up a cutout of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, during his political campaign in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

A boy holds up a cutout of Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, during his political campaign in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua, greets supporters during an event of his political campaign in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Juan Carlos Loera, National Regeneration Movement (MORENA) party candidate for governor in the state of Chihuahua , addresses his supporters during a campaign event in Ciudad Juarez, Mexico May 26, 2021. Picture taken May 26, 2021. REUTERS/Jose Luis Gonzalez

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses to supporters during an event of her political campaign in Monterrey, Mexico May 12, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, looks on during an event of her political campaign in Monterrey, Mexico May 12, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses to supporters during an event of her political campaign in Monterrey, Mexico May 12, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses to supporters during an event of her political campaign in Monterrey, Mexico May 12, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses to supporters during an event of her political campaign in Monterrey, Mexico May 12, 2021. REUTERS/Daniel Becerril

Clara Luz Flores, candidate for governor in the state of Nuevo Leon for the National Regeneration Movement (MORENA) party, addresses to supporters during an event of her political campaign in Monterrey, Mexico May 12, 2021. REUTERS/Daniel Becerril

Marie Macklin founder and executive chair of The HALO Urban Regeneration poses in Kilmarnock, Scotland, Britain, May 11, 2021. Picture taken May 11, 2021. REUTERS/Russell Cheyne

Marie Macklin founder and executive chair of The HALO Urban Regeneration poses in Kilmarnock, Scotland, Britain, May 11, 2021. Picture taken May 11, 2021. REUTERS/Russell Cheyne

Marie Macklin, founder and executive chair of The HALO Urban Regeneration, smiles next to solar panels in Kilmarnock, Scotland, Britain, May 11, 2021. Picture taken May 11, 2021. REUTERS/Russell Cheyne

Marie Macklin founder and executive chair of The HALO Urban Regeneration poses in Kilmarnock, Scotland, Britain, May 11, 2021. Picture taken May 11, 2021. REUTERS/Russell Cheyne

Marie Macklin founder and executive chair of The HALO Urban Regeneration poses in Kilmarnock, Scotland, Britain, May 11, 2021. Picture taken May 11, 2021. REUTERS/Russell Cheyne

Research associate Wei Li places mice with KAT7 intervention on a treadmill in the animal facility at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

Dr. Shuhui Sun performs a step of histological staining of mouse liver for pathological analysis in the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

Researchers work in the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

Dr. Shuhui Sun performs histological staining of mouse liver for pathological analysis in the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

The nameplate for the Aging and Regeneration laboratory is seen at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

Dr. Jing Qu (R), team leader for Stem Cell and Ageing group, and Dr. Wei Wang discuss the work on genome-wide screen for novel ageing regulatory genes in human stem cells at the cell culture room of the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

A researcher cultures mesenchymal progenitor cells in the cell culture room of Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

A researcher observes the confocal image on a screen showing the nucleus of human stem cells after KAT7 intervention, in the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

Researchers collect the mesenchymal progenitor cells in tubes for the following cell culture in the cell culture room of the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

Dr. Shuhui Sun performs a step of histological staining of mouse liver for pathological analysis in the Aging and Regeneration lab at the Institute for Stem Cell and Regeneration of the Chinese Academy of Sciences (CAS) in Beijing, China, January 12, 2021. Picture taken January 12, 2021. REUTERS/Tingshu Wang

A banner shows the images of three former Mexico's presidents, as members of the ruling National Regeneration Movement (MORENA) organize documents with citizens' signatures after gathering them for a ballot measure that could put former presidents on trial for corruption in Mexico City, Mexico, September 14, 2020. REUTERS/Edgard Garrido

Members of the ruling National Regeneration Movement (MORENA) organize documents with citizens' signatures after gathering them for a ballot measure that could put former Mexican presidents on trial for corruption in Mexico City, Mexico, September 14, 2020. REUTERS/Edgard Garrido

Members of the ruling National Regeneration Movement (MORENA) organize documents with citizens' signatures after gathering them for a ballot measure that could put former Mexican presidents on trial for corruption in Mexico City, Mexico, September 14, 2020. REUTERS/Edgard Garrido

Members of the ruling National Regeneration Movement (MORENA) organize documents with citizens' signatures after gathering them for a ballot measure that could put former Mexican presidents on trial for corruption in Mexico City, Mexico, September 14, 2020. REUTERS/Edgard Garrido

Members of the ruling National Regeneration Movement (MORENA) organize documents with citizens' signatures after gathering them for a ballot measure that could put former Mexican presidents on trial for corruption in Mexico City, Mexico, September 14, 2020. REUTERS/Edgard Garrido

The Houses of Parliament stands in the distance on Westminster Bridge in London, Britain March 5, 2020. REUTERS/Simon Dawson

Grass shoots grow through the burnt ground of Cobargo resident Belinda Shea’s destroyed home in Cobargo, Australia January 6, 2020. REUTERS/Tracey Nearmy

A man takes out his hand throughout the waterfall at Muhan Pokhari in Bhaktapur, Nepal September 21, 2019. REUTERS/Monika Deupala