in style of Gouache artwork, beautiful detailed ，（The mother swallow is feeding the little swallows in the nest），（Two swallows opened their little mouths wide and used their immature mouths to fight for the little bugs brought by their mother.），Feathers shine with blue-black sheen，Each piece is like a carefully polished gem，exudes a charming light， Nests are sometimes built in tree cavities，The nest is mainly made of a mixture of mud and saliva，cup or plate shaped，The appearance of the nest is rough，Color is gray or brown，The inside is smoother，The color is slightly lighter， background：（Under the snow-covered eaves：0.68），（Big nest covered with snow），（fisheye photography）

(teeth), verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))