Explosive ordnance disposal (EOD) officers stand in the former quarry that serves as a blast site of the EOD depot of the Hong Kong police during a media tour in Hong Kong, China, December 6, 2019. REUTERS/Thomas Peter

People work at a quarry near the Akamasoa community in Antananarivo, Madagascar, August 27, 2019. Picture taken August 27, 2019. REUTERS/Baz Ratner

A man walks through a quarry near the Akamasoa community in Antananarivo, Madagascar, August 27, 2019. Picture taken August 27, 2019. REUTERS/Baz Ratner TPX IMAGES OF THE DAY

A man breaks stones at a quarry near the Akamasoa community in Antananarivo, Madagascar, August 27, 2019. Picture taken August 27, 2019. REUTERS/Baz Ratner

A woman carries stones at a quarry at near the Akamasoa community in Antananarivo, Madagascar, August 27, 2019. Picture taken August 27, 2019. REUTERS/Baz Ratner

Anti-extradition bill protesters take cover as they face riot police at a Mass Transit Railway (MTR) station at Quarry bay in Hong Kong, China August 11, 2019. REUTERS/Tyrone Siu

Memo and notices are seen placed on "Lennon Walls" by anti-extradition bill protesters at Quarry Bay in Hong Kong, China July 11, 2019. Picture taken July 11, 2019. REUTERS/Tyrone Siu

Labourers work at a stone quarry in south Kashmir's Achabal town November 20, 2018. REUTERS/Danish Ismail

A general view of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song TPX IMAGES OF THE DAY

A man takes pictures from a staircase at the compound of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song TPX IMAGES OF THE DAY

A man takes pictures from a staircase at the compound of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

Men stand on a platform at the compound of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

A man sits at an underwater floor of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

A general view of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

A general view of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

A general view of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

A general view of the Intercontinental Shanghai Wonderland, a hotel built on the site of a former quarry, before its opening to the public, in Shanghai, China November 15, 2018. REUTERS/Aly Song

Local residents are seen in a disused sandstone quarry near the village of Sirohi in the northern state of Haryana, India, October 29, 2018. Picture taken October 29, 2018. REUTERS/Alasdair Pal

Irshad Zakir Khan poses for a photograph in a disused sandstone quarry where he used to work, near the village of Sirohi in the northern state of Haryana, India, October 29, 2018. Pictures taken October 29, 2018. REUTERS/Alasdair Pal

A view of a disused sandstone quarry is pictured near the village of Sirohi in the northern state of Haryana, India, October 29, 2018. Pictures taken October 29, 2018. REUTERS/Alasdair Pal

Kailash Bidhuri, the founder of a local environmental group Save Aravalli, looks on in a disused sandstone quarry near the village of Sirohi in the northern state of Haryana, India, October 29, 2018. Pictures taken October 29, 2018. REUTERS/Alasdair Pal

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, poses behind the memorial of the 26th Division, the ÒYankeeÓ Division (so called because it was composed entirely of National Guard units from New England) outside the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Inscriptions left by American soldiers of the 26th Division are seen among 1,000 inscriptions discovered in the Froidmont quarry a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

A carving representing a dog with a German helmet in seen in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Carvings left by American soldiers of the 26th Division are seen among 1,000 inscriptions discovered in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

A caricature of Kaiser Wilhelm, the Emperor of Germany in seen in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

A drawing depicting a nurse is part of over 1,000 inscriptions discovered in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

A graffiti representing a French soldier in seen in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, displays a portrait of U.S. soldier F.A. Hoyt next to graffiti he left in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German , American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

U.S. Corporal Earle Madeley of Plainville, Connecticut, is one of the few who wrote his age, 20, in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Madeley was killed few days afterwards, on July 21, 1918. Picture taken October 29, 2018. REUTERS/Charles Platiau

A drawing representing William Frederick "Buffalo Bill" Cody in seen in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Engravings left by American soldiers of the 26th Division are seen among 1,000 inscriptions discovered in the Froidmont quarry a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Carvings left by American soldiers of the 26th Division are seen among 1,000 inscriptions discovered in the Froidmont quarry a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

A German helmet in seen in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Visitors climb down into the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, closes the entrance of the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, points at American graffiti in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German , American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

A drawing shows the profile of a German soldier made by a member of the U.S. 26th Division is part of some of the 1,000 inscriptions discovered in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Artifacts left by American soldiers of the 26th Division are seen among 1,000 inscriptions discovered in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Graffiti by an anonymous German soldier, in Latin and blue ink reads, ÒHail Caesar, we who are about to die salute youÓ next to a German Iron Cross in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, walks in the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, descends a ladder into the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Gilles Chauwin, President of the Chemin des Dames association and WW1 enthusiast, climbs down into the Froidmont quarry, a 20 kilometers (12 miles) complex network of tunnels which became a refuge for thousands of German, American and French soldiers during the First World War in Braye-en-Laonnois, France, October 29, 2018. Picture taken October 29, 2018. REUTERS/Charles Platiau

Cast members (L-R) Tom Cruise, Simon Pegg, Henry Cavill and director Christopher McQuarrie (R) attend a news conference promoting their upcoming film "Mission: Impossible - Fallout" at the Imperial Ancestral Temple in Beijing, China, August 29, 2018. REUTERS/Jason Lee

Cast member Tom Cruise and director Christopher McQuarrie (R) attend a news conference promoting their upcoming film "Mission: Impossible - Fallout" at the Imperial Ancestral Temple in Beijing, China, August 29, 2018. REUTERS/Jason Lee

Cast members (L-R) Tom Cruise, Simon Pegg, Henry Cavill and director Christopher McQuarrie (R) attend a news conference promoting their upcoming film "Mission: Impossible - Fallout" at the Imperial Ancestral Temple in Beijing, China, August 29, 2018. REUTERS/Jason Lee

Cast members Tom Cruise (L), Simon Pegg (2nd L), Henry Cavill (R) and director Christopher McQuarrie attend a news conference promoting their upcoming film "Mission: Impossible - Fallout" at the Imperial Ancestral Temple in Beijing, China, August 29, 2018. REUTERS/Jason Lee

People rest as they float in their dinghies at a quarry near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. REUTERS/David W Cerny

People rest as they float in their dinghies at a quarry near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. REUTERS/David W Cerny

People rest as they float in their inflatable mattresses at a quarry near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. REUTERS/David W Cerny

People rest as they float in their dinghies at a quarry near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. REUTERS/David W Cerny

People rest as they float in their dinghies at a quarry near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. REUTERS/David W Cerny

A man swims at a quarry near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. REUTERS/David W Cerny

Film director Christopher McQuarrie (L) and actress Angela Bassett pose for photographers on the red carpet at the premiere of Mission:Impossible-Fallout, at the Smithsonian's National Air and Space Museum, in Washington, U.S., July 22, 2018. REUTERS/Mike Theiler

Actor Tom Cruise (L) and film director Christopher McQuarrie pose for photographers on the red carpet at the premiere of Mission:Impossible-Fallout, at the Smithsonian's National Air and Space Museum, in Washington, U.S., July 22, 2018. REUTERS/Mike Theiler

Actor Tom Cruise (L) and film director Christopher McQuarrie pose for photographers on the red carpet beneath vintage aircraft for the premiere of Mission:Impossible-Fallout, at the Smithsonian's National Air and Space Museum, in Washington, U.S., July 22, 2018. REUTERS/Mike Theiler

Director Christopher McQuarrie, cast members Tom Cruise, Henry Cavill, Simon Pegg, Rebecca Ferguson, Angela Bassett, Michelle Monaghan, Vanessa Kirby, Alix Benezech, Caspar Phillipson, producer Jake Myers pose in front the Eiffel Tower during the world premiere of the film "Mission: Impossible - Fallout" in Paris, France, July 12, 2018. REUTERS/Gonzalo Fuentes

Director Christopher McQuarrie, cast members Tom Cruise, Henry Cavill, Simon Pegg, Rebecca Ferguson, Angela Bassett, Michelle Monaghan, Vanessa Kirby, Alix Benezech, Caspar Phillipson, producer Jake Myers pose in front the Eiffel Tower during the world premiere of the film "Mission: Impossible - Fallout" in Paris, France, July 12, 2018. REUTERS/Gonzalo Fuentes

Director Christopher McQuarrie, cast members Tom Cruise, Henry Cavill, Simon Pegg, Rebecca Ferguson, Angela Bassett, Michelle Monaghan, Vanessa Kirby, Alix Benezech, Caspar Phillipson, producer Jake Myers pose in front the Eiffel Tower during the world premiere of the film "Mission: Impossible - Fallout" in Paris, France, July 12, 2018. REUTERS/Gonzalo Fuentes