The river in Japan unexpectedly became bright green

Inhabitants of the Japanese city Ikoma found out that water in the river Tatsutagava unexpectedly became bright green. About it reports SoraNews24. Though water got the shade reminding antifreeze, inhabitants did not report about any chemical smells. The local administration began event investigation. Experts went upstream and reached river inflow. On the concrete coast of this stream was found substance red-brown color which was dissolved in water and gave it bright green coloring. It appeared that the found substance — sodium fluorescein. This organic compound, which...