Photos of the Day: The Lion King and African Spurred Tortoises

Cottbus, Germany

A spiral staircase in the library at the Brandenburg University of Technology Cottbus-Senftenberg (BTU)
Photograph: Patrick Pleul/Picture Alliance/Avalon.red

Sofia, Bulgaria

Germany’s chancellor, Angela Merkel (center), and the British prime minister, Theresa May, arrive at an informal European Union summit with western Balkans countries at the national palace of culture in Sofia
Photograph: Vassil Donev/EPA