Malls for the young, airports for the old: Koreans beat the heat indoors

As an unprecedented heat wave grips the country, with daytime temperatures nearing 40 degrees Celsius, many Koreans are trading outdoor activities for air-conditioned escapes closer to home. The sweltering heat has fueled the rise of the "mallcation." Rather than leaving the city, many people are turning shopping malls and department stores into daylong summer vacations -- enjoying meals, shopping and cultural attractions in a climate-controlled space. "Department stores have so many exhibitions