A research team from the School of Energy and Environment at the City University of Hong Kong (CityU) has developed a paint coating that can produce cooling without electricity. The zero-energy, low-cost, highly-efficient passive radiative cooling paint saves energy and reduces carbon emissions in cooling buildings. In just two years, their technology has not only entered thousands of homes in Hong Kong, but also gone global, benefiting more people in Southeast and Central Asia.

In September last year, the Director of Environmental Protection, Dr. Chui Ho-kwong, Assistant Director Dr. Yang Rong and other two officials showed up at the airport. They were invited by the Research Center for Eco-Environmental Sciences of the Chinese Academy of Sciences to attend the International Symposium on Environmental Microbes of Health Concern held under the Belt and Road (B&R) Initiative in Beijing. Various experimental supplies and a meter-long water testing board were packed into their luggage in preparation for their presentation in the capital.

More than 3,500 kilometers away from Hong Kong, Dunhuang is a place surrounded by deserts, and a place with a landscape very different from that of Hong Kong. Civilizations from all over the world met and mingled here, making Dunhuang a jewel on the ancient Silk Road. The murals, sculptures and scrolls in the caves in Mogao record the prosperity of the ancient Silk Road and carry the excellent traditional Chinese culture and art.

What can education bring? When education transcends national boundaries, what kind of sparks will it create with different cultures? Since the launch of the "Belt and Road" initiative, The Hong Kong University of Education (EdUHK) has been leveraging its strengths to develop educational cooperation with countries along the Belt and Road, and helping them improve their teaching capacities and scientific research standards.

After around six pm, the sun goes down and night falls upon a small village in Rwanda, the African country known as the "land of a thousand hills". For the villagers here, the night was always dominated by darkness, until a group of teachers and students from Hong Kong arrived with hundreds of solar panels. They lit up the night of the little village, brightening the lives of the locals and the future of countless children.

About three and a half hours' drive from Ho Chi Minh City in the southern region of Vietnam, there is a place called Hau Giang province, which many people first heard of because of a Hong Kong company, Lee & Man Paper Mfg. Ltd.

In his Hong Kong office, Calvin Yip, chairman of Champion Lee Technology Ltd., has a lot of photos of him participating in marathon races. He proudly told us in an interview with DotDotNews that his best results were the 10th place in the Standard Charter half-marathon and the 10th place in a full-length one for the age group of 45 or above, "I had only been practicing for a year and a half when I first won the rankings, and I was very satisfied."

On the day the journalist visited the orphanage, the children were playing a football game under the guidance of their teachers. Under the blue sky, on the green field, the children's chasing figures and blossoming smiles were rare and vivid. They were once orphans, but here they found a sense of home.

Cataract is one of the most life-threatening eye diseases that can lead to blindness if left unchecked. According to statistics, about half of the blindness cases in the world are related to this disease, and surgery is the only way to treat it. With the advancement of modern medical technology, a cataract surgery can be performed in as short as 20 minutes.

Within the vibrant setting of the Sunwah Innovation Center, nestled in the heart of Ho Chi Minh City along the Saigon River, one can find expansive communal workspaces, seamlessly connected workstations, a cozy café, phone rooms, and even nap rooms. Apart from its impressive physical amenities, this hub also serves as a problem-solving haven for aspiring entrepreneurs, providing invaluable guidance and a wealth of entrepreneurial resources, said Phong, the Founder and CEO of CYFEER, a company specializing in smart home system development.

In 2015, with successful business experience in mainland China and Singapore, Yip Cheung-chun, Chairman of Champion Lee Technology Ltd, started to plan to set up a factory in Long Hau Industrial Park, which is more than 80 kilometers away from the outskirts of Long An Province in Ho Chi Minh City, Vietnam, to engage in the business of printing of stickers, labels and barcodes for industrial and commercial use. In November 2017, his factory in Vietnam was officially opened for trial operation.

After 2013, Hong Kong entrepreneur Pauline Ngan took over the funding and management of an orphanage in Bangladesh.