There are a lot of people sitting and standing together in the classroom, Teacher, Group photo, Student, Classe escolar, Lab Room, High school, in group photograph, xue han, Classroom, mingchen shen, jinyiwei, College, photograph taken in 2 0 2 0, year 2 3 0 0, Lu Ji, the photo shows a large, su fu

(nsfw:1.5),(worst quality:2), (low quality:2), (normal quality:2), lowres, ((monochrome)), ((grayscale)), paintings, sketches, skin spots, acnes, skin blemishes, bad anatomy,facing away, looking away,tilted head,lowres,bad anatomy,bad hands, text, error, missing fingers,extra digit, fewer digits, 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,ng_deepnegative_v1_75t