Ever used the term “gabion wall”? Sounds a little strange but it’s basically just the marriage between rocks and wire. These ...

A stone's throw from Athens' bustling Nea Filadelfia district, Tassos Sikoutris walks along a stream flanked by reeds and plane trees in a setting unchanged for centuries. Picking up plastic bottles ...

Picking up plastic bottles and rusted debris, the 59-year-old electrical engineer says the "oasis", known as Kifissos by locals, is the last natural stretch of the Kifissos river that cuts through ...