Answer: Celtic Sea
Fraggle Rock is a children's puppet television series created by Jim Henson.
Exterior footage of Fraggle Rock was filmed at St. Anthony's Lighthouse located near Falmouth in Cornwall. This means that the lighthouse is located near the Celtic Sea. This sea is an area of the Atlantic Ocean off the south coast of Ireland. Its limits are unclear, but are often considered to be: Saint George's Channel, Bristol Channel, the English Channel and the Bay of Biscay. The name is mostly used by marine biologists, oceanographers and the oil industry.
An advantage of using a river as boundary is that its creates a clear line which made the boundary very solid and indisputable.
<h3>What is a
boundary?</h3>
A boundary means a land location that differentiate the extent of the territory of two or more country, state, city, town etc
Some region were able to use river as boundary because of its presence whereas some region without river may use a structure to show the boundary.
Hence, the advantage of using a river as boundary is that iys creates a clear and visible separate line which made them solid and indisputable.
Read more about land boundary
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