A cemetery worker holds on his back a piece of cement, part of a grave, during the funeral of Felisa, 74, who died of the coronavirus disease (COVID-19), at the San Lorenzo Tezonco cemetery, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico August 5, 2020. REUTERS/Edgard Garrido

Miguel Flores Torres, 24, whose wife had a home birth during the coronavirus disease (COVID-19) outbreak, pours cement as he remodels a home while working as a builder in Villa Olimpica, Mexico City, Mexico, June 17, 2020. REUTERS/Gustavo Graf SEARCH "COVID-19 MEXICO BIRTH" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A man checks his mobile phone as he sits on a cement block tied to concertina wire laid across a road in front of pharmacy shops during an extended lockdown to slow the spreading of the coronavirus disease (COVID-19), in Srinagar, May 18, 2020. REUTERS/Danish Ismail

A man pushes a bicycle past the BBMG cement factory following the spread of the novel coronavirus disease (COVID-19) in Fangshan in Beijing, China May 7, 2020. REUTERS/Thomas Peter

A worker wearing a face mask as a protection against the coronavirus disease (COVID-19) carries a bag of cement in the Villa 31 slum, in Buenos Aires, Argentina May 5, 2020. REUTERS/Agustin Marcarian

A cement mixer truck is unloaded from a merchant ship at the Valparaiso harbour during the outbreak of the coronavirus disease (COVID-19) in Valparaiso, Chile April 27, 2020. REUTERS/Rodrigo Garrido

Weeds grow between cement cracks on a locked basketball court at the Banneker City park, following Mayor Muriel Bowser's decision to close all parks until further notice, as the coronavirus disease (COVID-19) outbreak continues in Washington, U.S., April 27, 2020. REUTERS/Tom Brenner

Migrant labourers rest in cement pipes during an extended nationwide lockdown to slow the spreading of coronavirus disease (COVID-19) in Lucknow, India, April 22, 2020. REUTERS/Pawan Kumar TPX IMAGES OF THE DAY

A worker of Mexican cement maker CEMEX operates a mixer truck used to pour sanitizing liquid to wash the floor as a preventive measure amid the spread of coronavirus disease (COVID-19) around the "Regional Military Specialty Hospital", in Monterrey, Mexico April 14, 2020. REUTERS/Daniel Becerril

A health worker observes a mixer truck of Mexican cement maker CEMEX, used to pour sanitizing liquid to wash the floor as a preventive measure amid the spread of coronavirus disease (COVID-19) around the "Regional Military Specialty Hospital", in Monterrey, Mexico April 14, 2020. REUTERS/Daniel Becerril

Workers move cement blocks at a construction site in Chinatown, Sihanoukville, Cambodia, May 18, 2019. REUTERS/Jorge Silva SEARCH "COVID-19 CAMBODIA CASINOS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A combination picture shows construction workers moving cement blocks, May 18, 2019 (L) and newly built buildings standing in the same location in Chinatown, Sihanoukville, Cambodia, February 27, 2020. REUTERS/Jorge Silva SEARCH "COVID-19 CAMBODIA CASINOS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A combination picture shows workers moving cement blocks at a construction site, May 18, 2019 (L) and new buildings standing in the same location in Chinatown, Sihanoukville, Cambodia, February 27, 2020. REUTERS/Jorge Silva SEARCH "COVID-19 CAMBODIA CASINOS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Construction workers move cement blocks in Chinatown, Sihanoukville, Cambodia, May 18, 2019. REUTERS/Jorge Silva SEARCH "COVID-19 CAMBODIA CASINOS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Bolivian fitness trainer Maite Andrea excercises at her home using plastic bottles filled with cement powder as the government has asked to stay indoors to prevent the spread of the coronavirus disease (COVID-19) in La Paz, Bolivia, March18, 2020. REUTERS/David Mercado

Bolivian fitness trainer Maite Andrea exercises at her home using plastic bottles filled with cement powder as the government has asked to stay indoors to prevent the spread of the coronavirus disease (COVID-19) in La Paz, Bolivia, March 18, 2020. REUTERS/David Mercado

Bolivian fitness trainer Maite Andrea excercises at her home using plastic bottles filled with cement powder as the government has asked to stay indoors to prevent the spread of the coronavirus disease (COVID-19) in La Paz, Bolivia, March18, 2020. REUTERS/David Mercado

Bolivian fitness trainer Nohelia excercises at her home using plastic bottles filled with cement powder as the government has asked to stay indoors to prevent the spread of the coronavirus disease (COVID-19) in La Paz, Bolivia, March 18, 2020. REUTERS/David Mercado

A worker sprays water as he washes down a cement walkway in Hollywood in preparation for the 92nd Academy Awards in Los Angeles, California, U.S., February 6, 2020. REUTERS/Mike Blake

A worker sprays water as he washes down a cement walkway in Hollywood in preparation for the 92nd Academy Awards in Los Angeles, California, U.S., February 6, 2020. REUTERS/Mike Blake

The handprints and footprints in cement of Kobe Bryant are on display in the forecourt of the TCL Chinese theatre after a helicopter crash killed the retired basketball star, in Los Angeles, California, U.S., January 29, 2020. REUTERS/Mario Anzuoni

The handprints and footprints in cement of Kobe Bryant are on display in the forecourt of the TCL Chinese theatre after a helicopter crash killed the retired basketball star, in Los Angeles, California, U.S., January 29, 2020. REUTERS/Mario Anzuoni

The handprints in cement of Kobe Bryant are on display in the forecourt of the TCL Chinese theatre after a helicopter crash killed the retired basketball star, in Los Angeles, California, U.S., January 29, 2020. REUTERS/Mario Anzuoni

A general view shows a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

The logo of Mexican cement maker CEMEX is pictured at a mixed truck at a concrete plant in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Cemex's CEO Fernando Gonzalez is pictured at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Cemex's Chairman Rogelio Zambrano is pictured at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

A general view shows a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Workers are seen at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Workers are seen at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Workers are seen at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Workers are seen at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

A worker walks next to a cement mixer truck at a concrete plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. Picture taken January 25, 2020. REUTERS/Daniel Becerril

Mexico's President Andres Manuel Lopez Obrador takes a selfie with a worker during a visit at a plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. REUTERS/Daniel Becerril

Mexico's President Andres Manuel Lopez Obrador shakes hands with workers during a visit at a plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. REUTERS/Daniel Becerril

Mexico's President Andres Manuel Lopez Obrador greets workers during a visit at a plant of Mexican cement maker CEMEX in Monterrey, Mexico January 25, 2020. REUTERS/Daniel Becerril

The word "Welcome" is engraved on the cement pathway of a destroyed farm house on Kangaroo Island, Australia January 19, 2020. REUTERS/Tracey Nearmy TPX IMAGES OF THE DAY

Actor Patrick Stewart poses with actors Brent Spiner, Gates McFadden, Marina Sirtis and LeVar Burton after placing his handprints, footprints and signature in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart is interviewed after placing his handprints, footprints and signature in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

The handprints, footprints and signature in cement of actor Patrick Stewart are pictured at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni TPX IMAGES OF THE DAY

Actor Patrick Stewart poses with actor LeVar Burton after placing his handprints, footprints and signature in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses with his wife Sunny Ozell after placing his handprints, footprints and signature in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses after placing his handprints, footprints and signature in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart places his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart places his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart places his footprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart places his footprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart places his footprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses after placing his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses after placing his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses after placing his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses after placing his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Patrick Stewart poses after placing his handprints in cement at a ceremony in the forecourt of the TCL Chinese Theatre in Los Angeles, California, U.S., January 13, 2020. REUTERS/Mario Anzuoni

Actor Kevin Hart places his handprints in cement at a ceremony in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni

Actor Kevin Hart places his handprints in cement at a ceremony in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni

Actor Kevin Hart places his handprints in cement at a ceremony in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni

Actor Kevin Hart shows his hands after placing them in cement at a ceremony in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni

Actor Kevin Hart and his wife Eniko Parrish pose after he placed his handprints and footprints in cement at a ceremony in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni

The handprints, footprints and signature in cement of actor Kevin Hart are pictured in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni

Actor Kevin Hart is interviewed after placing his handprints and footprints in cement at a ceremony in the forecourt of the TCL Chinese theatre in Los Angeles, California, U.S., December 10, 2019. REUTERS/Mario Anzuoni