Social Secretary Jeremy Bernard catches snowflakes on the Colonnade of the White House, Feb. 25, 2014. https://www.rawpixel.com/image/4050030/photo-image-face-flower-plantFree Image from public domain licensePresident Barack Obama and British Prime Minister David Cameron walk together following their joint press conference at… https://www.rawpixel.com/image/4050598/photo-image-flower-plant-peopleFree Image from public domain licenseMacro single red tulip bud in nature in Spring. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3304383/free-photo-image-blossom-brown-background-budFree Image from public domain licensePurple field. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285061/free-photo-image-lavender-flower-field-summerFree Image from public domain licenseWhite flowers in nature in grassy field in Spring. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3304848/free-photo-image-agapanthus-asteraceae-blossomFree Image from public domain licenseMacro of floral lilac flower in full bloom in Spring, Brookline. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3302113/free-photo-image-lilac-flowers-bloom-blossomFree Image from public domain licenseA fuzzy shot of a patch of lavender flowers. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295027/free-photo-image-agapanthus-animal-birdFree Image from public domain licenseThe silicon vertex tracker of the BaBar detector at the Stanford Linear Accelerator Center. https://www.rawpixel.com/image/3325534/free-photo-image-flower-arrangement-apparel-babarFree Image from public domain licenseClose-up of a cherry branch with white blooming flowers. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292214/free-photo-image-acanthaceae-blossom-blur-backgroundFree Image from public domain licenseWhite blossom branch and green leaves in Spring. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301610/free-photo-image-blossom-blur-background-bokehFree Image from public domain licenseA macro shot of the inside of a deep pink flower. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301773/free-photo-image-breathe-pink-flower-50sFree Image from public domain licenseDorset, United Kingdom. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301137/free-photo-image-dorset-blossom-branchesFree Image from public domain licenseA butterfly is scene on the marigolds of Nuri Icgoren, with his wife Sofia, who operate Urban Sprout Farms, a biodynamic… https://www.rawpixel.com/image/3259573/free-photo-image-butterfly-marigold-animalFree Image from public domain licenseAn isolation hospital, Nottingham: a nurse stands by beds on the verandah of a hospital ward. Photograph, 1890/1910. https://www.rawpixel.com/image/13987925/photo-image-flower-plant-personFree Image from public domain licenseAutumn flowers. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283829/free-photo-image-flower-fall-acanthaceae-apiaceaeFree Image from public domain licenseMonarch Butterfly on Swamp Milkweed. Spotted in the monarch garden at the Michigan Private Lands Office. Original public… https://www.rawpixel.com/image/4025586/photo-image-flower-green-floralFree Image from public domain licenseMacro of pink flower in bloom with dew in Spring, Birmingham. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301843/free-photo-image-andrena-animal-beeFree Image from public domain licenseSmall flower growing in grass in nature in Spring. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292745/free-photo-image-apiaceae-blossom-cc0Free Image from public domain license