"Laowai" in China | A Peruvian agricultural expert's adventure with blueberry in Yunnan
Marcelo Vergaray uses a pH meter to test the pH value of the nutrient solution for blueberries at a blueberry greenhouse in Mengzi, southwest China's Yunnan Province, July 9, 2024. Marcelo Vergaray is a 31-year-old fourth-generation Chinese-Peruvian …