Before revision: The photo shows two flood mark lines, which represent the wave run-up of two subsequent storms (on October 12, 2009, with water levels at 2.2m and 1.9m above mean sea level) in the Bathpolder.
After revision: The photo shows two flood mark lines, which represent the wave run-up of two subsequent storms (on October 12, 2009, with water levels at and above mean sea level) in the Bathpolder.