What the blank sea is located where the lines 20N and 70E cross
red sea
The coordinates 20N and 60E correspond to a location in the Arabian Sea, near the coast of Oman.
The Arabian Sea
by the sea
Lines of White on a Sullen Sea - 1909 was released on: USA: 28 October 1909
Hitler intended to cut the sea lines between the US and Europe by having an armada of ships block the shipping channels. Hitler tried everything possible to cut the sea lines.
fathoms
31.557940, 35.481324
Turkey has borders with black sea, marmara sea, aegean sea and mediterranean sea
Contour lines on a map are lines that connect points of equal elevation above sea level. They help visualize the shape and steepness of the terrain by indicating where the land surface is higher or lower. The closer the lines are together, the steeper the terrain; while widely spaced lines indicate flatter areas.
You can build gabions or build sea walls