China formally kicked off its mass celebrations of 60 years of communist rule with a 60-gun salute that rung out across Beijing's historic Tiananmen Square earlier today. Hundreds of thousands of participants marched past Tiananmen Square in costume or uniform, with floats and dancers mingling with soldiers and military hardware. Collected here are photographs of the once-in-a-decade National Day parade in Beijing, and of others commemorating the anniversary elsewhere. ( 39 photos total