By David Da He Staff Photographer The cherry trees behind Building 13 are blooming. This year, the peak bloom date is more than ten days earlier than usual, signaling an early arrival of spring. Here the blossoms are shown with the Great Dome in the background. Aperture: ƒ/2.8 Exposure Time: 1/3200 sec. Sensitivity: ISO 100 Effective Focal Length: 50 mm

By David Da He Staff Photographer The cherry trees behind Building 13 are blooming. This year, the peak bloom date is more than ten days earlier than usual, signaling an early arrival of spring. Here the blossoms are shown with the Great Dome in the background. Aperture: ƒ/2.8 Exposure Time: 1/3200 sec. Sensitivity: ISO 100 Effective Focal Length: 50 mm