epa13047960 Former U.S. President Barack Obama speaks at the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI

epa13047959 Former U.S. President Barack Obama speaks at the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI

epa13047958 Former U.S. President Barack Obama speaks at the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI

epa13047956 Former U.S. President Barack Obama speaks at the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI

epa13047955 Former U.S. President Barack Obama speaks at the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI

epa13047952 Former German Chancellor Angela Merkel attends the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI

epa13047950 Musician Marc Anthony performs during the opening ceremony of the Obama Presidential Center in Chicago, Illinois, USA, 18 June 2026. The 19-acre campus includes a museum, a branch of the Chicago Public Library, an athletic center, a cafe, a restaurant, a sledding hill and public park space. EPA/VICTOR HILITSKI