EditorialPham Thanh Hong trims his dragon fruit trees, which are strung with lights to induce off-season flowering, in the village of Ham Hiep, Vietnam, Jan. 28, 2022. (Linh Pham/The New York Times)
EditorialPham Thanh Hong trims his dragon fruit trees, which are strung with lights to induce off-season flowering, in the village of Ham Hiep, Vietnam, Jan. 28, 2022. (Linh Pham/The New York Times)