On December 10, 2011, an estimated 50,000 people converged on Bolotnaya Square, Moscow, to protest against the ruling party and alleged electoral fraud. Demonstrators were demanding a rerun of the election and freedom for anyone arrested in protests earlier in the week. This fascinating polar panorama really captures the sheer size of the crowd gathered at the square. For a full 360 degree panorama of the protests and to really get a true sense of the size of the rally, check this out.