epa12316102 Giant panda cub twins Leni and Lotti cuddle in their enclosure as they celebrate their first birthday at the Berlin Zoo in Berlin, Germany, 22 August 2025. EPA/Filip Singer

epa12316083 One of the Berlin panda twins Leni and Lotti climbs next to a cutout of the number one, placed in their enclosure as they celebrate their first birthday at the Berlin Zoo in Berlin, Germany, 22 August 2025. EPA/Filip Singer

epa12316086 Giant panda cub twins Leni and Lotti next to their mother Meng Meng (R) climb next to a cutout of the number one, placed in their enclosure as they celebrate their first birthday at the Berlin Zoo in Berlin, Germany, 22 August 2025. EPA/Filip Singer

epaselect epa12316111 One of the Berlin panda twins Leni and Lotti next to their mother Meng Meng (R) in their enclosure as they celebrate their first birthday at the Berlin Zoo in Berlin, Germany, 22 August 2025. EPA/FILIP SINGER