Recorded in the Qing-dynasty novel 《说岳全传》 (The Complete Story of Yue Fei), Chapter 66: '白茫茫一片无边无际，原来是太湖边上' — describing the vast white expanse of Lake Tai.
memory
Two parallel negations: 无 (no) + 边 (edge) // 无 (no) + 际 (boundary). 'No edge, no boundary' = boundless. The 无...无... pattern is a productive Chinese idiom frame: 无忧无虑 (carefree), 无影无踪 (without a trace).
