Two giant pandas at Tokyo's Ueno Zoo have been given some private time in a bid to create a romantic environment in which the bashful creatures can mate. Public viewing was halted on Thursday in the hope that male Ri Ri — who zookeepers confirmed has looked friskier in recent days — will take advantage of the fleeting window that female Shin Shin is in heat. "There's really only a couple of days a year when a panda can get pregnant," a spokesman from Ueno Zoo's education department told AFP.
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