black line sketch on white paper, children playing under a blanket stretched between two chairs, forming a cozy little fort, minimalistic clean line art, hand-drawn style, playful and whimsical, no shading, sketchbook illustration –ar 16:9 –s 50 –v 7.0 在白纸上的黑色线条素描，孩子们在两把椅子间拉伸的毯子下玩耍，形成一个温馨的小堡垒，极简清晰的线条艺术，手绘风格，富有趣味和梦幻，无阴影，速写本插图
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