A `self-portrait` of NASA`s Curiosity Mars rover shows the vehicle on Vera Rubin Ridge on the planet Mars, which the rover has been investigating for the past several months, according to NASA, in this handout photo mosaic assembled from dozens of images taken 23 January 2018 and released on 31 January 2018. Photo: Reuters
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A full moon `Super Blue Blood Moon` rises behind Sagrada Familia Basilica in Barcelona, Spain on 31 January 2018. Photo: Reuters
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A monkey eats a lotus flower, during the annual Makha Bucha Day which celebrates Buddha`s teachings, in Kandal province, Cambodia on 31 January 2018. Photo: Reuters
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People take part in a tribute to social leaders murdered in Colombia, in Medellin on 31 January 2018. According to the Public Prosecutor`s Office, 101 social leaders were murdered between 1 January 2017 and 31 January 2018 in Colombia. Photo: AFP
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A view shows a monument to Kazakh poet Abai Kunanbayev after a heavy snowfall, with illumination lights seen in the foreground, in Moscow, Russia on 31 January 2018. Photo: Reuters
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Local indigenous people attend the ceremony in which the new authorities of the autonomous government of the Uru Chipaya indigenous people were sworn in on 31 January 2018, in the town of Uru Chipaya in southern Bolivia. Photo: AFP
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A man stands outside a car parts store hit by shells during the conflict in the port city of Aden, Yemen on 31 January 2018. Photo: Reuters
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Bangladesh cricketer Mominul Haque reacts after scoring 150 runs during the first day of the first cricket Test between Bangladesh and Sri Lanka at Zahur Ahmed Chowdhury Stadium in Chittagong on 31 January 2018. Photo: AFP
