Where is the Pudao Tunnel?

Tunnel to summer, goodbye exit. Pudao Tunnel is an urban legend in the theatrical animation "Tunnel to Summer, Goodbye Exit", so Pudao Tunnel is in "Tunnel to Summer, Goodbye Exit". The animated film "Tunnel to Summer, Goodbye Exit" is adapted from the light novel of the same name created by Eight Eyes fans, directed by Taguchi Zhijiu and responsible for the script, and CLAP is responsible for the animation production, which was released in Japan on September 9, 2022.