"Our study reveals that tea was drunk by Han Dynasty emperors as early as 2,100 years BP (before present)," wrote the researchers.

The portraits, dating from 1634, are of prominent Dutchman Marten Soolmans and his future wife Oopjen Coppit.

The U.S. will spend $3.4 billion next year to counter "Russia's aggression" and boost the U.S. presence in eastern Europe, Carter said.

Maximum resolution seems to be 3840 x 1920 pixels when shooting in dual lens mode, or 1920 x 1920 pixels in single lens mode.

Turkish police, posing as potential buyers, met the prospective sellers at a hotel and then at a yacht in an Istanbul marina, the report said.

British Prime Minister David Cameron said Donald Tusk's proposal "shows real progress" but added that "more work" was needed.

The band are gearing up to release their second album “I Like It When You Sleep, For You Are So Beautiful” in late February.

The research revealed that people who feel the most isolated in society are Kurdish-origin citizens of Turkey.

The Helsinki festival had already announced the likes of Sia, Chvrches, Jamie xx, and Stormzy.