Though Beyonce has mostly kept her public presence this summer limited to her Tumblr updates, she performed her goosebumpy ballad "I Was Here" at the U.N. August 10th as part of World Humanitarian Day. To mark the day, which fell yesterday, Bey released this clip of the performance, in which she sings, with flawless eyebrows, in front of footage of humanitarian response efforts to victims of recent disasters. Check it out.