Wow, this puts any murky, greenish water around Lethy in perspective!
The green algae–known as enteromorpha prolifera–continues to spread along the waters of China's eastern coastline of Qingdao.
Though it's not poisonous, it can hinder the fishing industry and tourism.
Um, yah… It's definitely not a tourist attraction.
Story here - http://goo.gl/77l8D