In the hearts of advanced cities, metro systems play a vital role. The Tokyo Metro stands out as one of the most complex and impressive of these systems. But behind the engineering success of this system lies an unexpected source of inspiration: slime mold. Tokyo Metro Inspired by Slime Mold Despite being a simple organism, slime mold attracts attention with the complex network it forms to find food. Japanese engineers have studied this natural phenomenon and developed strategies to make the Tokyo metro lines more efficient. This approach has enabled smarter arrangement of metro lines and more efficient management of passenger traffic. From Nature to Technology: The Renovation of the Tokyo Metro The renovation of the Tokyo Metro presents a perfect example of how inspiration from nature can be applied to modern technology and urban planning. This intriguing convergence of slime mold and the Tokyo Metro shows us how science and nature can together create wonders. Keywords: Tokyo Metro, ...