Parasols, used for sun protection, have become a nationwide trend, transcending gender and age, as an unprecedented heatwave with temperatures nearly reaching 40 degrees Celsius has gripped the country. A 107 percent increase in parasol purchases July 25-31 was reported compared to the same period last year, right after the end of the rainy season and the onset of the heatwave, Hyundai Department Store said. Lotte De...