Men and children work in a dockyard in Dhaka, Bangladesh, March 7, 2020. REUTERS/Mohammad Ponir Hossain TPX IMAGES OF THE DAY

A man is seen working in a dockyard at night in Dhaka, Bangladesh, March 7, 2020. REUTERS/Mohammad Ponir Hossain

Children play football in a dockyard in Dhaka, Bangladesh, January 21, 2020. REUTERS/Mohammad Ponir Hossain

Children play football in a dockyard in Dhaka, Bangladesh, January 21, 2020. REUTERS/Mohammad Ponir Hossain

Workers weld iron sheets as they build a new ferry at a dockyard in Dhaka, Bangladesh, February 7, 2019. REUTERS/Mohammad Ponir Hossain TPX IMAGES OF THE DAY

Workers weld iron sheets as they build a new ferry at a dockyard in Dhaka, Bangladesh, February 7, 2019. REUTERS/Mohammad Ponir Hossain

Workers carry a metal sheet at a dockyard in Dhaka, Bangladesh, December 5, 2018. REUTERS/Mohammad Ponir Hossain

Workers throw a metal sheet at a dockyard in Dhaka, Bangladesh, December 5, 2018. REUTERS/Mohammad Ponir Hossain

Workers including children work at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain TPX IMAGES OF THE DAY

Workers melt metal scrap to make propeller for ferry at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

A man pours chemical powder into melted metal scrap to make a propeller for ferry at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

A worker moves a piece of hot iron as he works at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

A man works in a polluted smoky environment of a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

Shakil, a chid worker looks on while working at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

Workers including children work at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

Shakil, a child worker drinks water as he takes a break at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

Dirty hand of a child worker is pictured at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

People work in a polluted environment at a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

A man wears a mask as he works in a polluted, smoky environment of a dockyard in Dhaka, Bangladesh, September 20, 2018. REUTERS/Mohammad Ponir Hossain

Hyundai Mipo Dockyard is seen in Ulsan, South Korea, May 29, 2018. Picture taken on May 29, 2018. REUTERS/Kim Hong-Ji

A dockyard crane is seen on a quayside at Associated British Ports Goole facility in Goole, Britain August 2, 2018. Picture taken August 2, 2018. REUTERS/Phil Noble

A couple stands outside the Historic Dockyard Museum on the shore of Port Stanley, Falkland Islands, May 15, 2018. REUTERS/Marcos Brindicci

Workers, including children, carry a jar full of melted iron as they make propeller at a dockyard in Dhaka, Bangladesh, May 12, 2018. REUTERS/Mohammad Ponir Hossain

Workers, including children, pour melted iron into the mold to make propeller at a dockyard in Dhaka, Bangladesh, May 12, 2018. REUTERS/Mohammad Ponir Hossain

Workers, including children, pour molten iron into the mold to make propellers at a dockyard in Dhaka, Bangladesh, May 12, 2018. REUTERS/Mohammad Ponir Hossain

An aerial view shows a shipyard on the oil-slicked waterways in the city of Port Harcourt, in Rivers State, Nigeria June 19, 2017. Picture taken June 19, 2017. REUTERS/Paul Carsten

A man wears a mask while another worker cleans rust from an old ferry which was brought to a dockyard for repairs in Dhaka, Bangladesh, March 1, 2018. REUTERS/Mohammad Ponir Hossain

A worker cleans rust from an old ferry which was brought to a dockyard for repairs in Dhaka, Bangladesh, March 1, 2018. REUTERS/Mohammad Ponir Hossain

18 month old Imogen Holm pulls the braid on the uniform of the Britain's Prince Charles, at an reception following the naming ceremony of the Royal Navy's new aircraft carrier HMS Prince of Wales at the dockyard in Rosyth, Scotland September 8, 2017. REUTERS/Jane Barlow/Pool TPX IMAGES OF THE DAY

18 month old Imogen Holm pulls the braid on the uniform of the Britain's Prince Charles, at an reception following the naming ceremony of the Royal Navy's new aircraft carrier HMS Prince of Wales at the dockyard in Rosyth, Scotland September 8, 2017. REUTERS/Jane Barlow/Pool

18 month old Imogen Holm pulls the braid on the uniform of the Britain's Prince Charles, at an reception following the naming ceremony of the Royal Navy's new aircraft carrier HMS Prince of Wales at the dockyard in Rosyth, Scotland September 8, 2017. REUTERS/Jane Barlow/Pool

First Sea Lord Admiral Sir Philip Jones applauds Britain's Camilla, the Duchess of Cornwall during the naming ceremony for the Royal Navy's new aircraft carrier HMS Prince of Wales at the dockyard in Rosyth, Scotland, September 8, 2017. REUTERS/Jane Barlow/Pool

Britain's Prince Charles and Camilla, pose for a group photograph after a naming ceremony the Royal navy's new aircraft carrier HMS Prince of Wales at the dockyard in Rosyth, Scotland September 8, 2017. REUTERS/Jane Barlow/Pool

Britain's Prince Charles arrives for the naming ceremony for the Royal Navy's new aircraft carrier HMS Prince of Wales at the dockyard in Rosyth, Scotland September 8, 2017. REUTERS/Jane Barlow/Pool

Britain's Prince Charles attends the naming ceremony for Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Members of the armed services stand to attention as a bottle breaks over the bow of the Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's Camilla, the Duchess of Cornwall names the Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Helicopters fly over the Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's Prince Charles and Camilla, the Duchess of Cornwall attend the naming ceremony for the Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's Prince Charles and Camilla, the Duchess of Cornwall, and minister of Defence Michael Fallon attend the naming ceremony for the Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's Prince Charles and Camilla, the Duchess of Cornwall, and minister of Defence Michael Fallon attend the naming ceremony for the Royal Navy's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Sailors march past Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Sailors march past Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Sailors march past Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Sailors march past Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Sailors stand on the deck of Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Sailors stand on the deck of Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales during its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales is docked for its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales is docked for its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Britain's second new Queen Elizabeth class aircraft carrier HMS Prince of Wales is docked for its official naming ceremony at Rosyth naval dockyards, in Scotland, September 8, 2017. REUTERS/Russell Cheyne

Workers melt iron in a furnace, to make propeller for a passenger ferry, at a dockyard in Dhaka, Bangladesh August 24, 2017. REUTERS/Mohammad Ponir Hossain

A boy uses a polishing kit to polish a propeller, as part of the finishing touches, at a dockyard in Dhaka, Bangladesh August 24, 2017. REUTERS/Mohammad Ponir Hossain

A Bangladeshi worker works in a dockyard where they build and repair different kinds of ferries in Dhaka, Bangladesh, July 15, 2017. REUTERS/Mohammad Ponir Hossain

Fire sparks as a Bangladeshi worker removse rust from vehicle parts in a dockyard where they build and repair different kinds of ferries in Dhaka, Bangladesh, July 15, 2017. REUTERS/Mohammad Ponir Hossain

A worker paints a newly made ferry at a dockyard in Dhaka, Bangladesh March 21, 2017. REUTERS/Mohammad Ponir Hossain

Bangladeshi workers repair ferries in a dockyard in Dhaka, Bangladesh, January 14, 2017. REUTERS/Mohammad Ponir Hossain

A worker rides his bicycle past steel rims in a dockyard at Mumbai Port Trust in Mumbai November 17, 2014. REUTERS/Shailesh Andrade/File Photo

U.S. Vice President Joe Biden speaks to the crew aboard the Australian navy ship HMAS Adelaide during a visit to the Garden Island Naval Base in Sydney, Australia, July 19, 2016. REUTERS/Jessica Hromas/Pool

U.S. Vice President Joe Biden speaks to the crew aboard the Australian navy ship HMAS Adelaide during a visit to the Garden Island Naval Base in Sydney, Australia, July 19, 2016. REUTERS/Jessica Hromas/Pool

A nuclear submarine is seen at the Royal Navy's submarine base at Faslane, Scotland, Britain August 31, 2015. REUTERS/Russell Cheyne/File Photo