A European bison stands in a stable at the Royev Ruchey zoo in Krasnoyarsk, Russia August 12, 2019. REUTERS/Ilya Naymushin TPX IMAGES OF THE DAY 

Participants take part in the Mud Run event in Tel Aviv, Israel March 29, 2019. REUTERS/Corinna Kern 

Tourists take pictures as waves splash at the seafront in Havana, Cuba, November 15, 2018. REUTERS/Alexandre Meneghini TPX IMAGES OF THE DAY 

Melted metal from an abandoned car destroyed by the Camp Fire is seen in Paradise, California, U.S. November 10, 2018. REUTERS/Stephen Lam TPX IMAGES OF THE DAY 

Melted metal from an abandoned car destroyed by the Camp Fire is seen in Paradise, California, U.S. November 10, 2018. REUTERS/Stephen Lam TPX IMAGES OF THE DAY 

Melted metal from an abandoned car destroyed by the Camp Fire is seen in Paradise, California, U.S. November 10, 2018. REUTERS/Stephen Lam 

A metal marker on the road defines the border line between Mexico and the United States at the San Ysidro border in San Diego, California, U.S. November 9, 2018. REUTERS/Mike Blake 

A metal marker on the road defines the border line between Mexico and the United States at the San Ysidro border in San Diego, California, U.S. November 9, 2018. REUTERS/Mike Blake 

A man loses his balance as he gets drenched by a large wave during high tide at a seafront in Mumbai, India, August 13, 2018. REUTERS/Danish Siddiqui 

A general view shows lightning over the city of Zurich, Switzerland May 23, 2018. REUTERS/Arnd Wiegmann 

Lightning strikes above Lake Zurich in Zurich, Switzerland May 23, 2018. REUTERS/Arnd Wiegmann 

Cars drive as lightning strikes near the site where a group of Israeli youths was swept away by a flash flood, near the Zafit river bed, south to the Dead Sea, Israel, April 26, 2018. PictureÊtakenÊwithÊlong-timeÊexposure. REUTERS/Amir Cohen TPX IMAGES OF THE DAY 

Cars drive as lightning strikes near the site where a group of Israeli youths was swept away by a flash flood, near the Zafit river bed, south to the Dead Sea, Israel, April 26, 2018. PictureÊtakenÊwithÊlong-timeÊexposure. REUTERS/Amir Cohen 

The steel construction of the Schemerlbruecke bridge is seen in Vienna, Austria March 28, 2018. REUTERS/Heinz-Peter Bader TPX IMAGES OF THE DAY 

The steel construction of the Schemerlbruecke bridge is seen in Vienna, Austria March 28, 2018. REUTERS/Heinz-Peter Bader 

Steel girders are seen under a railway bridge in Vienna, Austria March 28, 2018. REUTERS/Heinz-Peter Bader 

The steel construction of the Schemerlbruecke bridge is seen in Vienna, Austria March 28, 2018. REUTERS/Heinz-Peter Bader 

Stainless steel needles lie on a desk in a tattoo studio in Prague, Czech Republic, March 27, 2018. REUTERS/David W Cerny 

A view of the Old Sanaa city, Yemen March 27, 2018. REUTERS/Khaled Abdullah 

Stainless Steel cutlery is seen in Manchester, Britain, March 26, 2018. REUTERS/Phil Noble 

'Stainless Steel' is seen stamped onto the blade of a knife in Manchester, Britain, March 26, 2018. REUTERS/Phil Noble 

'Stainless Steel' is seen stamped onto the blade of a knife in Manchester, Britain, March 26, 2018. REUTERS/Phil Noble 

A gaucho is unseated by an untamed horse during the Creole week celebrations in Montevideo, March 26, 2018. REUTERS/Andres Stapff 

Steel pipes for the construction of a stage are pictured in central Kiev, Ukraine, March 26, 2018. REUTERS/Valentyn Ogirenko 

Steel pipes for the construction of a stage are pictured in central Kiev, Ukraine, March 26, 2018. REUTERS/Valentyn Ogirenko 

Flat spanners are displayed at a hardware store in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Flat spanners are displayed at a hardware store in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Flat spanners are displayed at a hardware store in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Flat spanners are displayed at a hardware store in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Flat spanners are displayed at a hardware store in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

A worker uses an angle grinder on a piece of metal at a steel workshop in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Metal bars are seen at a steel workshop in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Metal bars are seen at a steel workshop in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Metal bars are seen at a steel workshop in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

A worker welds a piece of metal at a steel workshop in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Metal bars are seen at a steel workshop in Marseille, France, March 26, 2018. REUTERS/Jean-Paul Pelissier 

Huge waves crash on the San Esteban de Pravia seafront in Asturias region, Spain March 24, 2018. REUTERS/Eloy Alonso 

Huge waves crash on the San Esteban de Pravia seafront in Asturias region, Spain March 24, 2018. REUTERS/Eloy Alonso 

Huge waves crash on the San Esteban de Pravia seafront in Asturias region, Spain March 24, 2018. REUTERS/Eloy Alonso 

Huge waves crash on the San Esteban de Pravia seafront in Asturias region, Spain March 24, 2018. REUTERS/Eloy Alonso 

A man uses a long stick to hit rocks and get sand in a sand mine on the outskirts of Fond Parisien, Haiti March 21, 2018. REUTERS/Andres Martinez Casares 

A man uses a pick to break rocks and get sand in a sand mine on the outskirts of Fond Parisien, Haiti March 21, 2018. REUTERS/Andres Martinez Casares 

Najin (front) and her daughter Patu, the last two northern white rhino females, graze in their enclosure at the Ol Pejeta Conservancy in Laikipia National Park, Kenya March 20, 2018. REUTERS/Baz Ratner 

Najin (front) and her daughter Patu, the last two northern white rhino females, graze in their enclosure at the Ol Pejeta Conservancy in Laikipia National Park, Kenya March 20, 2018. REUTERS/Baz Ratner 

Najin, one of two last northern white rhino females, grazes in an enclosure at the Ol Pejeta Conservancy in Laikipia National Park, Kenya March 20, 2018. REUTERS/Baz Ratner 

Najin (front) and her daughter Patu, the last two northern white rhino females, graze in their enclosure at the Ol Pejeta Conservancy in Laikipia National Park, Kenya March 20, 2018. REUTERS/Baz Ratner 

Najin (front) and her daughter Patu, the last two northern white rhino females, graze in their enclosure at the Ol Pejeta Conservancy in Laikipia National Park, Kenya March 20, 2018. REUTERS/Baz Ratner 

Pregnant Maria Timofeyenko, a member of the Krepysh (Sturdy Person) family winter swimmers club, bathes in the icy waters of the Yenisei River during an event to mark International Women's Day in Krasnoyarsk, Russia March 7, 2018. REUTERS/Ilya Naymushin 

Pregnant Maria Timofeyenko (C), Anna Egorova and her 7-year old daughter Alexandra Sidorova, members of the Krepysh (Sturdy Person) family winter swimmers club, play in the snow on the bank of the Yenisei River during an event to mark International Women's Day in Krasnoyarsk, Russia March 7, 2018. REUTERS/Ilya Naymushin 

Pregnant Maria Timofeyenko, Anna Egorova and Olesya Filippova, members of the Krepysh (Sturdy Person) family winter swimmers club, bathe in the icy waters of the Yenisei River during an event to mark International Women's Day in Krasnoyarsk, Russia March 7, 2018. REUTERS/Ilya Naymushin 

Anna Egorova and her 7-year old daughter Alexandra Sidorova, members of the Krepysh (Sturdy Person) family winter swimmers club, leave the icy waters of the Yenisei River during an event to mark International Women's Day in Krasnoyarsk, Russia March 7, 2018. REUTERS/Ilya Naymushin 

People are seen next to the highest German mountain, the Zugspitze, in Garmisch-Partenkirchen, Germany February 28, 2018. REUTERS/Michaela Rehle 

Steel strips are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel profile pipes are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel profile pipes are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel profile pipes are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel profile pipes are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel plates are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel plates are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov 

Steel channels are pictured at the Ariel Metal steel trader warehouse in Podolsk outside Moscow, Russia February 9, 2018. REUTERS/Maxim Shemetov