If the heart stops for more than two minutes, you have massive brain death. There are only two minutes between our conscious world and zero. That's how fragile our consciousness is.

青竹 云海 晨光 星夜 荷风 晴雪 秋山 听海 沙丘 森语 梅影 花野 听雨 晴窗 暮色 橘光