Environmentalists in Serbia have been working for months to remove domestic waste that has polluted the 220-kilometre-long Lim river. “Every day we fill between 20 and 25 trucks, which is about 500 cubic metres of waste,” Sinisa Lakovic of the ecological association Jastreb told the Serbian news portal n1info.rs on Tuesday. About 20,000 cubic metres of rubbish has been fished out of the river since November. A wave of high water that rolled through the river at the end of December and the beginning of January had facilitated the inundation of rubbish. Most of the rubbish originated in five mun…