Lichen

Scientists have identified a new type of plastic pollution in the sea - melted and incrusted in rock waste, Associated Press reported.

The phenomenon is noticed near Madeira in 2016. The now polluted area has increased and plastic stains are more. They are mostly blue and gray and in different sizes. Scientists called them "plastic crust".

Excavation work has begun in the Ahlat Seljuk graveyard, considered the "Orkhon Inscriptions of Anatolia," in the eastern province of Bitlis. It is known as the world's largest Turkish-Islam graveyard. 

The site has 8,203 gravestones, the tallest of which are some 4.5 meters, and many are artifacts decorated with inscriptions and motifs.