Kim Ja-in climbed a 550-meter tower. Now she’s aiming for the Olympics

(CNN)Kim Ja-in was born to climb. “I thought it would be a good way to introduce sports climbing to the public,” Kim said. The climb itself wasn’t technically difficult, she explained, but the heat of the building’s 123-story framework proved a little tricky. She climbed the skyscraper in two and a half hours. “It was endless,” she added. “People asked if it wasn’t scary to climb that high. Once you are at a certain level, the height becomes unrealistic in …