The Screaming Arrows Are Back

Image: Alexis Lours, CC There's a sound that means summer has truly arrived in Hannover: a high-pitched, piercing shriek cutting across the rooftops, followed by a dark crescent shape tearing past at improbable speed. The swifts have returned. They came back this morning, wheeling in loops in and above our courtyard. If you don't know how a swift looks: They look somewhat like swallows and are…