Unusual photo showing two different varieties of horse chestnut trees (conker tree / buckeye) growing alongside each other, one with red flowers (Latin: aesculus x carnea) and the other with more common white flowers (Latin: aesculus hippocastanum).
Relevant image keywords:
aesculus, aesculus hippocastanum, aesculus x carnea, beauty in nature, blossom, blossoming, blue, blue sky, botany, branch, buckeye, bud, canopy, carnea, conker tree, deciduous, domed crown, erect, erect panicles, flowers, grass, green, hippocastanum, horse chestnut tree, horticulture, lawn, leaf, nature, outdoors, panicles, red, red flowers, sky, spring, sunny, tree, tree crown, white, white flowers