Photo taken on Dec. 23, 2020 shows the construction site of China-aided Mahosot General Hospital in Vientiane, Laos. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)

An engineer is interviewed by journalists from Laos and China at the construction site of China-aided Mahosot General Hospital in Vientiane, Laos, Dec. 23, 2020. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)

Workers work at the construction site of China-aided Mahosot General Hospital in Vientiane, Laos, Dec. 23, 2020. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)

Engineers are interviewed by journalists from Laos and China at the construction site of China-aided Mahosot General Hospital in Vientiane, Laos, Dec. 23, 2020. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)

Workers work at the construction site of China-aided Mahosot General Hospital in Vientiane, Laos, Dec. 23, 2020. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)

A worker works at the construction site of China-aided Mahosot General Hospital in Vientiane, Laos, Dec. 23, 2020. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)

Photo taken on Dec. 23, 2020 shows the construction site of China-aided Mahosot General Hospital in Vientiane, Laos. In the Lao capital Vientiane, China-aided Mahosot General Hospital is under construction by Chinese and Lao engineers, with a construction area of approximately 54,000 square meters. The hospital will become the largest and most advanced hospital in the country upon completion, which includes the expansion of the existing Mahosot Hospital and the building of new medical facilities. (Photo by Kaikeo Saiyasane/Xinhua)