Why they don't add maps?!<p>More info in <a href="https://en.wikipedia.org/wiki/Vienna_Danube_regulation" rel="nofollow">https://en.wikipedia.org/wiki/Vienna_Danube_regulation</a><p>Map: <a href="https://www.google.com/maps/place/New+Danube/@48.2333707,16.3991964,13z/data=!4m5!3m4!1s0x476d06d151efe9fb:0xdf224d446c21fd60!8m2!3d48.2165791!4d16.4293995" rel="nofollow">https://www.google.com/maps/place/New+Danube/@48.2333707,16....</a><p>IIUC the (main) "Danube" is the straight line on the left, the "New Danube" is the straight line on the right, and the "Old Danube" is the semicircle that was the old course of the river and now is a park with a lake.