Vizag RK beach sand colour turns black

Visakhapatnam: The residents of Visakhapatnam are expressing worry after the sand on Vizag beach turned black overnight. According to the sources, the sand on the RK beach turned black and is shocking the visitors and residents of the city. On the occasion of Raksha Bandhan, many families visited popular RK beach in the city but got shocked by the sand colour and expressed doubts that whether it is any sign of upcoming danger. Experts said that the colour of the sand turned black may be because of excess of iron ore deposits or drain emitting from the sea.