Residents observe a police officer take up position during an operation at the Mare slums complex in Rio de Janeiro March 25, 2014. The federal troops have taken control of security operations in Mare slums complex to help quell a surge in violent crime following attacks by drug traffickers on police posts in three slums on the north side of the city, government officials said. (Photo by Ricardo Moraes/Reuters)

Iranian Kurdish female members of the Freedom Party of Kurdistan (PAK) hold a position on November 6, 2016 in an area near the town of Bashiqa, some 25 kilometres north east of Mosul, during an operation against Islamic State (IS) group jihadists to retake the main hub city. (Photo by Safin Hamed/AFP Photo)

A massive positive cloud-to-ground lightning strike hits in Coolidge, Arizona, 31 August 2016. Thousands of rain drops merge to form mammoth travelling sheets of water in these breathtaking monsoons. Veteran storm chaser and photographer Mike Olbinski captured the stunning beauty of monsoons in timelapses and stills while chasing storm systems across America. (Photo by Mike Olbinski/Barcroft Images)

People manoeuvre into position as they take part in a mass nude art installation entitled Sea of Hull by New York based artist Spencer Tunick in Hull, England, Saturday July 9, 2016. (Photo by Danny Lawson/PA Wire via AP Photo)

Artillerymen of the Ukrainian 80th separate airborne assault brigade fire from a BM-21 Grad multiple rocket launcher towards Russian positions on the front line near Bakhmut in the Donetsk region, on April 18, 2023, amid the Russian invasion of Ukraine. (Photo by Anatolii Stepanov/AFP Photo)

Ukrainian soldiers fire the D-30 artillery to Russian positions in the direction of Klishchiivka as the Russia-Ukraine war continues in Donetsk Oblast, Ukraine on August 12, 2023. (Photo by Diego Herrera Carcedo/Anadolu Agency via Getty Images)

In this handout image supplied by the European Space Agency, the Soyuz TMA-03M spacecraft is raised into vertical position on December 19, 2011 at the Baikonur Cosmodrome in Kazakhstan. (Photo by Stephane Corvaja/ESA via Getty Images)

Hunched at his desk and staring intently at the blackboard, Hu Yang looks like any other industrious schoolboy. But this ordinary eight-year-old finds himself in a unique position. He is the only pupil to attend his elementary school in, Fujian Province, China.