Kyiv's National Botanical Garden's battle to keep plants alive amid war, sub-zero temperatures

On a bitterly cold winter morning inside Kyiv’s M.M. Gryshko National Botanical Garden, scientist Liudmyla Buyun checks a thermometer mounted against the glass wall of a greenhouse. She pauses, notes the reading, and moves on. The routine repeats several times a day, and sometimes through the night. "This is not a job that ends when you go home," says scientist Liudmyla Buyun. "For many of us, this is our life." Winter has pushed the National Botanical Garden into a daily fight to keep thousan