Light at the end of the tunnel (India)
This is an adit to the tailrace tunnel, part of the abandoned and unfinished Loharinag-Pala Hydro Power Project on the Bhagtrathi river (one of the headstreams of the Ganges river).
View a photo of the end of this tunnel, which is flooded.
For more info about the Loharinag-Pala Hydro Power Project, read en.wikipedia.org/wiki/Loharinag_Pala_Hydro_Power_Project.