<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div><div><blockquote type="cite" class=""><div class="">On May 30, 2019, at 11:53 PM, Martin Koppenhoefer <<a href="mailto:dieterdreist@gmail.com" class="">dieterdreist@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="gmail_quote" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div dir="ltr" class="gmail_attr">Am Do., 30. Mai 2019 um 16:03 Uhr schrieb Mateusz Konieczny <<a href="mailto:matkoniecz@tutanota.com" class="">matkoniecz@tutanota.com</a>>:<br class=""></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class=""><div class="">30 May 2019, 15:00 by<span class="Apple-converted-space"> </span><a href="mailto:fl.infosreseaux@gmail.com" target="_blank" class="">fl.infosreseaux@gmail.com</a>:<br class=""></div><blockquote class="gmail-m_5711440665246145224tutanota_quote" style="border-left-width: 1px; border-left-style: solid; border-left-color: rgb(147, 163, 184); padding-left: 10px; margin-left: 5px;"><div dir="ltr" class=""><div class=""><div class="">Why does aqueduct have to be above ground level?<br class=""></div></div></div></blockquote><div class="">Maybe because one of main meanings of this word is<br class=""></div><div class="">"bridge to convey water over an obstacle, such as a ravine or valley"?<br class=""></div></div></blockquote></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">the meaning of the term "aqueduct" is "leading water". Usually bridges are only constructed where they are needed,</div></div></blockquote></div><br class=""><div class="">yep.</div><div class=""><br class=""></div><div class="">I think this is truly a matter of what you are familiar with first. </div><div class=""><br class=""></div><div class="">Growing up in California, the only usage of the word aqueduct I ever heard referred to the Califorina aquaduct from San Francisco to Los Angeles, and it is a giant trench dug in the ground and (now) lined with concrete. it obviously has other features (pumps and pipes to go over the mountains), but the iconic images of it everyone thinks of is the water in the trench next to interstate. 5. califorina has 3 major aqueduct systems, all to move water to Southern California. </div><div class=""><br class=""></div><div class="">I learned about all the roman aqueducts and so forth much much later on TV, and they always showed the bridges and the tunnels to make some fountain work in Rome. </div><div class=""><br class=""></div><div class=""><a href="https://www.usgs.gov/special-topic/water-science-school/science/aqueducts-move-water-past-and-today?qt-science_center_objects=0#qt-science_center_objects" class="">https://www.usgs.gov/special-topic/water-science-school/science/aqueducts-move-water-past-and-today?qt-science_center_objects=0#qt-science_center_objects</a></div><div class=""><br class=""></div><div class="">here, the USGS shows a section of the Califorina aqueduct and a picture of an old Roman aqueduct (bridge), showing how some people equate any structure for conveying a supply of water from one area to another for the purpose of using / drinking the water as “an aqueduct” </div><div class=""><br class=""></div><div class="">This is teaching materials for classrooms. </div><div class=""><br class=""></div><div class="">the aqueducts I map in Japan usually have long at-grade open-air sections, pipe or open-top bridges, and lots of tunnels - similar to a "roman aqueduct” as I understand them. </div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Javbw</div></body></html>