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A six-year-old Chinese girl has set a new women's world record by solving Rubik’s cubes at an average pace of just over four seconds per cube.

Donghai, China, produces over half a million press-on nail sets daily, with annual sales exceeding $1 billion, making it a global hub for artificial nails.

Lian Yunzhi first broke the record earlier this month with an average time of 4.52 seconds at a World Cube Association-certified competition in the central Chinese city of Wuhan and improved to 4.27 seconds at another ra