GUILIN, May 2, 2019 (Xinhua) -- Photo taken on May 2, 2019 shows farmers working in the Longji terraced fields in Longsheng County, south Chinas Guangxi Zhuang Autonomous Region. The day marks the start of spring plowing for the locals.

BRATISLAVA,MAY 3 (Xinhua) - A woman views artworks at an exhibition of Pablo Picasso at the Bratislava City Gallery in Bratislava, Palestinian on May 2, 2019. The exhibition presenting 123 of Picassos graphic letters will be held till June 2.

GAZA, MAY 3(Xinhua)- A Palestinian carpenter makes a wooden lantern for sale in the upcoming holy month of Ramadan, in Gaza City, on May 2, 2019. Muslims usually decorate their houses with lanterns and crescents in Ramadan, the holiest month in the Islamic calendar.

IMOTSKI (CROATIA),MAY3(Xinhua)- Photo taken on May 2, 2019 shows the Blue Lake near Imotski, Croatia. Lying in a deep sinkhole, the karst lake in southern Croatia has changed into a rare blue color this week because of heavy rains and sudden flow of underground water

NEW YORK,MAY3 (Xinhua)- People visit the TechDay New York in Javits Center, New York, the United States, on May 2, 2019. The one-day startup event made its debut on Thursday, with the participation of around 300 startup exhibitors

NABLUS, MAY 3 (Xinhua)- A Palestinian man hangs lanterns at a street to welcome the upcoming holy month of Ramadan in the West Bank city of Nablus, May 2, 2019.

MINSK,MAY 3(Xinhua)- A visitor flips through Chinese books in front of the Chinese booth during a media exhibition in Minsk, Belarus, on May 2, 2019 The Mass Media in Belarus expo from May 2 to May 4 opened in Minsk.