We have discovered a hidden man made tunnel aand residual of many man made structure wall house and m Y other thing in the wood .in pithoragarh uttrakhand India see this link https://youtu.be/KNIIZSqyWyE?si=K8hzZagFjBnaed2M
Un seen and hiddenhttps://youtu.be/KNIIZSqyWyE?si=K8hzZagFjBnaed2M