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Visiting the central province of Quang Tri, beside the huge
number of revolutionary war sites, tourists can view a system of ancient wells
from the New Stone Age, which related to the wet-rice cultivation of Vietnam.
Professor Bui Huy Dap, researching a project on rice cultivation in Vietnam,
said the well system consists of 14 wells dating back about 4,000 years in Gio
Linh, in Vinh Linh district of Quang Tri.
The sandstone-lined wells are linked by a canal. Water flows from the high wells
to the lower ones, maintaining an even temperature in summer and winter.
These wells are also connected to vegetable fields by canals which are also
lined with sandstone.
Professor Dap said that new technology in the New Stone Age helped the
development of rice cultivation and achievements in irrigation of the Vietnamese
people.
The ancient well system, an important historical relic among dozens of more
recent sites in Gio Linh, including Truong Son cemetery and Doc Mieu firebase in
the wartime Demilitarised Zone (DMZ), is near Ho Chi Minh Highway.
The DMZ is located at the 17th parallel, dividing the Hien Luong bridge spanning
the Ben Hai river. The zone was set up under the Geneva Accords on Indochina in
1954 and was a military demarcation line between the north and the south of
Vietnam in 20 years of the resistance war against the US imperialists, until
1975.
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