Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema pay their respects to Britain's Queen Elizabeth, following her death, during her lying-in-state at Westminster Hall, in London, Britain, September 18, 2022. REUTERS/John Sibley/Pool 

Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema pay their respects to Britain's Queen Elizabeth, following her death, during her lying-in-state at Westminster Hall, in London, Britain, September 18, 2022. REUTERS/Sarah Meyssonnier/Pool 

Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema pay their respects to Britain's Queen Elizabeth, following her death, during her lying-in-state at Westminster Hall, in London, Britain, September 18, 2022. REUTERS/Sarah Meyssonnier/Pool 

A window of a partially submerged house is seen as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

People stand on the roof of a house as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal June 16, 2021. REUTERS/Navesh Chitrakar 

A member of the Nepali Army hangs from a helicopter during a rescue mission in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

A Nepali army helicopter hovers above houses during a rescue mission as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

A Nepali army helicopter flies above the swollen Melamchi river during a rescue mission in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

A man stands on higher ground while partially submerged houses on the bank of Melamchi river stand in the background, in Sindhupalchok, Nepal June 16, 2021. REUTERS/Navesh Chitrakar 

Partially submerged houses are seen as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

Partially submerged houses are seen as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

People gather on higher ground as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

People gather on higher ground as flood water from the swollen Melamchi river enters the village in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

Locals gather their belongings as they move towards higher ground from the flood affected area in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

Locals gather their belongings as they move towards higher ground from the flood affected area in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

People sit on a hilltop as they look towards the swollen Melamchi river in Sindhupalchok, Nepal, June 16, 2021. REUTERS/Navesh Chitrakar 

A helicopter belonging to Nepal army flies past houses hit by flash floods along the bank of Melamchi River during a rescue mission in Sindhupalchok, Nepal June 16, 2021. REUTERS/Navesh Chitrakar 

A general view shows houses hit by flash floods along the bank of Melamchi River in Sindhupalchok, Nepal June 16, 2021. REUTERS/Navesh Chitrakar 

(L-R) Myanmar's first lady Daw Cho Cho, Nepal's first lady Radhika Shakya, Thailand's Prime Minister Prayut Chan-o-cha, Sri Lanka's President Maithripala Sirisena, Nepal's Prime Minister Khadga Prasad Sharma Oli, Myanmar's President Win Myint, India's Prime Minister Narendra Modi, Chief Justice as well as Chief Advisor of the interim government of Bhutan Dasho Tshering Wangchuk, and Bangladesh's Prime Minister Sheikh Hasina pose for a group photo during the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 31, 2018. REUTERS/Navesh Chitrakar/Pool 

(L-R) Myanmar's first lady Daw Cho Cho, Nepal's first lady Radhika Shakya, Thailand's Prime Minister Prayut Chan-o-cha, Sri Lanka's President Maithripala Sirisena, Nepal's Prime Minister Khadga Prasad Sharma Oli, Myanmar's president Win Myint, India's Prime Minister Narendra Modi, Chief Justice as well as Chief Advisor of the interim government of Bhutan Dasho Tshering Wangchuk and Bangladesh's Prime Minister Sheikh Hasina pose for a group photo during the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 31, 2018. REUTERS/Navesh Chitrakar/Pool 

(L-R) Myanmar's first lady Daw Cho Cho, Nepal's first lady Radhika Shakya, Thailand's Prime Minister Prayut Chan-o-cha, Sri Lanka's President Maithripala Sirisena, Nepal's Prime Minister Khadga Prasad Sharma Oli, Myanmar's President Win Myint, India's Prime Minister Narendra Modi, Chief Justice as well as Chief Advisor of the interim government of Bhutan Dasho Tshering Wangchuk, and Bangladesh's Prime Minister Sheikh Hasina pose for a group photo during the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 31, 2018. REUTERS/Navesh Chitrakar/Pool 

Chief Justice and Chief Advisor of the interim government of Bhutan, Dasho Tshering Wangchuk address the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 30, 2018. REUTERS/Navesh Chitrakar/Pool 

(L-R) Bangladesh Prime Minister Sheikh Hasina, Chief Justice and Chief Advisor of the interim government of Bhutan, Dasho Tshering Wangchuk, India's Prime Minister Narendra Modi, Myanmar's president Win Myint, Nepal's Prime Minister Khadga Prasad Sharma Oli, Sri Lanka's President Maithripala Sirisena, Thailand's Prime Minister Prayut Chan-o-cha attend the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 30, 2018. REUTERS/Navesh Chitrakar/Pool 

(L-R) Bangladesh Prime Minister Sheikh Hasina, Chief Justice and Chief Advisor of the interim government of Bhutan, Dasho Tshering Wangchuk, India's Prime Minister Narendra Modi, Myanmar's president Win Myint, Nepal's Prime Minister Khadga Prasad Sharma Oli, Sri Lanka's President Maithripala Sirisena and Thailand's Prime Minister Prayut Chan-o-cha attend the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 30, 2018. REUTERS/Navesh Chitrakar/Pool 

(L-R) Bangladesh Prime Minister Sheikh Hasina along with Chief Justice and Chief Advisor of the interim government of Bhutan Dasho Tshering Wangchuk, India's Prime Minister Narendra Modi, Myanmar's president Win Myint, Nepal's Prime Minister Khadga Prasad Sharma Oli, Sri Lanka's President Maithripala Sirisena and Thailand's Prime Minister Prayut Chan-o-cha attend the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 30, 2018. REUTERS/Navesh Chitrakar/Pool 

Chief Justice as well as Chief Advisor of the interim government of Bhutan Dasho Tshering Wangchuk (C) arrives at Tribhuvan International Airport to attend the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 29, 2018. REUTERS/Navesh Chitrakar 

Chief Justice as well as Chief Advisor of the interim government of Bhutan Dasho Tshering Wangchuk (C) receives a guard of honour upon his arrival at Tribhuvan International Airport to attend the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) summit in Kathmandu, Nepal August 29, 2018. REUTERS/Navesh Chitrakar 

Men and women gather at a snooker hall in the capital city of Thimphu, Bhutan, December 12, 2017. REUTERS/Cathal McNaughton 

A boy carries straw on his back near Punakha, Bhutan, December 13, 2017. REUTERS/Cathal McNaughton 

A girl checks her mobile phone as her mother prepares vegetables at market in the capital city of Thimphu, Bhutan, December 11, 2017. REUTERS/Cathal McNaughton 

A Buddhist monk plays football in the Phobjika valley, Bhutan, December 14, 2017. REUTERS/Cathal McNaughton 

Workers are seen constructing housing in the capital city of Thimphu, Bhutan, December 11, 2017. REUTERS/Cathal McNaughton 

A masked dancer performs on the mountains above the capital city of Thimphu, Bhutan. December 12, 2017. REUTERS/Cathal McNaughton 

Dust covers leaves at the Punatsangchu hydroelectric power project in Bhutan December 13, 2017. Picture taken December 13, 2017 REUTERS/Cathal McNaughton 

Men play snooker and gamble in the capital city of Thimphu, Bhutan, December 12, 2017. REUTERS/Cathal McNaughton 

Aum Sangay, 68, heats water at home in the Phobjika valley, Bhutan, December 15, 2017. REUTERS/Cathal McNaughton 

A Karaoke bar in the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

A woman stands at a viewpoint on the Dochula pass in Bhutan, December 13, 2017. P REUTERS/Cathal McNaughton 

Sonam Tshering, 13, plays on a mobile phone during breakfast at his home in the Phobjika valley, Bhutan, December 15, 2017. REUTERS/Cathal McNaughton 

Youths gather in the centre of the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

People gather in the centre of the capital city of Thimphu, Bhutan, December 17, 2017. REUTERS/Cathal McNaughton 

A man takes a photograph in front of the Buddha Dordenma statue in Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

Saleswomen wait for customers in a shoe shop in the capital city of Thimphu, Bhutan, December 11, 2017. REUTERS/Cathal McNaughton 

Women warm themselves by a fire outside a bar in the capital city of Thimphu, Bhutan, December 15, 2017. REUTERS/Cathal McNaughton 

A woman checks her mobile phone in a bar in the capital city of Thimphu, Bhutan, December 11, 2017. REUTERS/Cathal McNaughton TPX IMAGES OF THE DAY 

People farm in the Punakha valley, Bhutan, December 13, 2017. REUTERS/Cathal McNaughton 

The Punatsangchu hydroelectric power project in Bhutan, December 13, 2017. REUTERS/Cathal McNaughton 

Smoke billows from machinery at a road construction site in Bhutan, December 14, 2017. REUTERS/Cathal McNaughton 

The Punatsangchu hydroelectric power project in Bhutan, December 13, 2017. REUTERS/Cathal McNaughton 

Drayang dancers Ugyen Tshomo, 29, and Lhaden, 38, make their way to work in a bar in the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

A general view of housing in the capital city of Thimphu, Bhutan, December 11, 2017. REUTERS/Cathal McNaughton 

Drayang dancer Lhaden, 38, checks her mobile phone as she rests at home in the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

Drayang dancers Ugyen Tshomo, 29, and Lhaden, 38, get ready before they go to work in a bar in the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

The Buddha Dordenma statue forms the backdrop to a mobile phone mast in the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

Drayang dancers Ugyen Tshomo, 29, and Lhaden, 38, make their way to work in a bar in the capital city of Thimphu, Bhutan, December 16, 2017. REUTERS/Cathal McNaughton 

Aum Sangay, 68, talks on her mobile phone in the Phobjika valley, Bhutan, December 15, 2017. REUTERS/Cathal McNaughton 

Youths sit around the central square in the capital city of Thimphu, Bhutan, December 12, 2017. REUTERS/Cathal McNaughton 

A man checks documents on a construction site in the capital city of Thimphu, Bhutan, December 12, 2017. REUTERS/Cathal McNaughton 

Choki Wangmo, 11, poses for a picture in the Phobjika valley, Bhutan, December 15, 2017. REUTERS/Cathal McNaughton 

A woman checks her mobile phone in a bar in the capital city of Thimphu, Bhutan, December 11, 2017. REUTERS/Cathal McNaughton