A flooded lime pond at a minefield in eastern China has become an unlikely tourist attraction after rainwater turned it into a beautiful turquoise blue.<br /><br />The video was filmed in Weifang City in Shandong Province on September 10, 2017.<br /><br />The lime pond turned blue after continuous rain, according to reports.<br /><br />It has proved popular with tourists, some of whom took boat trips on the lake - despite the area being a minefield.