Complex sentence: The present ground is the Estadio Nacional's third incarnation, the result of renovations conducted under the Alan García administration; it was officially inaugurated on 24 July 2011,88 years to the day after the original ground opened on the same site in 1923.
Split into simpler sentences: The present ground is the Estadio Nacional's third incarnation, renovated under the Alan García administration. Its official re-inauguration, 24 July 2011, marked 88 years to the day after the original ground opened on the same site in 1923.