IPHES-CERCA researcher Rosa Huguet, a professor at Rovira I Virgili University, looks at the fossil of the left midface of a hominin assigned to Homo affinis erectus, that was recovered at level TE7 of the Sima del Elefante archaeological site at Spain’s Sierra de Atapuerca, at an undisclosed location, in this undated handout image released on March 12, 2025. Maria D. Guillen/IPHES-CERCA/Handout via REUTERS