"It's green.” Algae has appeared days after the Lincoln Memorial Reflecting Pool in Washington DC was refilled with water after undergoing renovations. US President Donald Trump ordered the revamp last year at a cost of about $14 million, claiming the pool had been left in a poor condition by former President Joe Biden. But, the pool has had issues with algae for decades, with an Interior Department spokeswoman saying it was "residual". Tap the link in @BBCNews's bio to read how people in the US have reacted to it. #LincolnMemorial #WashingtonDC #BBCNews