Milan (Italy) to Beijing and return (double transit)

I'm Italien and I Arrive in Beijing from Italy at 5.50 AM and the next flyght (to Myanmar) is scheduled to 7.50 PM.
Also when I come back in Italy I Arrive in Beijing from Myanmar at 5.50 AM and the next flyght is scheduled to 1.30 AM (Next day).
It's possible to visit Beijing?

Many Thank's