context: However, the reunification talks in Korea did not begin until Kim Il-Sung died in a heart attack on July 8, 1994. It has been rumored that before her death, Kim Il-Sung would fiercely argue with her son about the poor state of the country's economy. Some of the "great leader" doctors died in a mysterious helicopter accident. [36] A state funeral was held on July 18 and a three-year mourning was declared in the country. Today, Kim Il-sung's secular remains lie in the Kumsusan Mausoleum in Pyongyang. Death was accompanied by legendary stories in North Korea: in one city, bees gathered around a "great leader" statue to mourn; ". Even today, Kim Il-sung is known as the "great leader" and the "eternal president."
question: Where did Kim Il-Sung die?
answers.text: heart attack