The eastern German city of Dresden has erected a so-called "flood wall" to remember the catastrophic floods that devastated the city last August. The 186-meter-long temporary aqueduct, which will snake along a street in downtown Dresden, is meant as a reminder of the disaster as well as of the solidarity displayed by residents and helpers. Water will flow over it till August 19. Designed by residents, artists and flood relief workers, the wall also has boards accompanying it containing photographs and written documentation of the tragedy penned by citizens, organizations and companies. Saxon Environment Minister Steffen Flath, who officially opened the art exhibit, said the first anniversary of the floods provided cause for reflection. "With all these concepts we should never forget that such a catastrophe can repeat itself," he warned.