Saud Khalil Zafar Malik, 7, of the Joan Maragall school, acts as a veterinarian as he listens to the heart of a Greyhound during a visit to SOS Galgos (Greyhounds) shelter, which conducts workshops based on empathy and compassion for students on the outskirts of Barcelona, Spain, on February 26, 2024. (Photo by Nacho Doce/Reuters)
