Callie Zhang, 7, walks among the blossoming cherry trees during a family visit to Fairmount Park in Philadelphia on April 4.Spring flowers like cherry blossoms, tulips and canola blossoms recently reached full bloom in Asahi, Toyama Prefecture, Japan, allowing visitors to enjoy a landscape of vivid colors spread all over. Local people call this scenery “Spring Quartet” because the Northern Japanese Alps shining white behind add a fourth color.Petals from a blossoming tree shower a couple along Kelly Drive in Philadelphia on a spring morning, April 12.Wild bluebells blooming turn Hallerbos, a forest also known as the “Blue Forest”, into a blue carpet of flowers near Halle on April 18.Visitors walk through azalea blossoms at Nezu Shrine during a day of mild spring weather in Tokyo on April 16. Nezu Shrine is one of the oldest shrines in Tokyo.A woman takes a photo of cherry blossoms on Roosevelt Island, April 10 in New York City.A field of colorful tulips come into bloom near King’s Lynn, eastern England on April 16.A man runs between blossoming cherry trees in Cologne, Germany on April 17.Raindrops collect on the petals of a blooming magnolia tree on April 12 as a rainstorm goes through Zelienople, Pa.People visit the poppy fields at the Antelope Valley Poppy Reserve in Lancaster, Calif. on April 21 to view the orange poppies and other wildflowers as a super bloom of wildflowers have exploded across California’s once-parched hills this Spring following a particularly wet winter season.A cyclist pedals past a blossoming tree along Kelly Drive in Philadelphia on a spring morning, April 12.The full moon gows behind blooming cherry trees in Marktoberdorf, Germany on April 17.A bee that is covered with pollen flies away from dandelions on a meadow in Frankfurt, Germany April 15.A woman takes pictures of herself as she poses in front of blooming cherry trees on April 7 in Bonn, western Germany.Tree tops are seen in a garden as the sun sets in Brussels on April 18.Addison Hartman, 7, runs through the blooming daffodil garden at Central Park in Ashland, Ky. on April 4.A woman stands in front of cherry trees in bloom outside the difficult-to-return zone in the Yonomori area at night on April 6 in Tomioka, Fukushima, Japan. The tunnel with approximately 480 cherry trees in the area is partially located in the difficult-to-return zone designated by the government after the accident at Tokyo Electric Power Co.’s Fukushima Dai-ichi nuclear power plant in 2011. The municipal government arranged buses for former residents to the zone, where 6km away from the crippled nuclear plant, first time in 9 years to watch the cherry blossoms.A robin grabs a snack as heavy snow coats trees and turns the background white on April 12 on the campus of St. Cloud State University in St. Cloud, Minn.The White House is viewed through blooming spring bulbs on April 15, in Washington, DC.Workers harvest asparagus on a large asparagus field in Kutzleben, eastern Germany on April 17.A couple walked hand in hand under a Magnolia tree on Commonwealth Avenue in Boston.A young woman takes a break on a oversized pillow, which is part of the artwork “Himmel auf Erden” (heaven on earth) by German artist Susanne Egle at the Federal Horticultural Show (Bundesgartenschau) in Heilbronn, southern Germany, on April 16. The garden show will be opened for public from April 17 until October 6, 2019.A bee lands on a large-leaved lupine (lupinus polyphillus) in the bees’ garden at the Federal Horticultural Show (Bundesgartenschau) in Heilbronn, southern Germany, on April 16,A woman stands under cherry blossom trees as the sun rises at the Tidal Basin in Washington, DC on April 3.Workers check anti-frost candles in an apple orchard outside the village of Miloslavov-Alzbetin Dvor near Bratislava, Slovakia, on a cold spring night of April 17. Apple growers protect the blooming apple flowers from the freezing night temperatures by warming up the air with more then one thousand anti-frost candles, spreading smoke with tractors and helicopters on the 120 hectare orchard.Apple flowers are seen in front of burning anti-frost candles in an apple orchard outside the village of Miloslavov-Alzbetin Dvor near Bratislava, Slovakia, on a cold spring night of April 17.