The place known as “La Zaplaz” is located in Piatra Craiului mountains (Romania), on the touristic route known as “La Lanturi” (The Chains) which climbs to the top, from Spirla refuge.
These holes were dug through erosion over time by water in limestone, material from which these mountains are formed.
The image was taken with Canon PowerShot A550 with these settings: exposure time – 1/40 sec, focal length – 5.8 mm, ISO – 80.