Visitors to the Acropolis can now see the Parthenon’s western side looking whole for the first time in about 220 years. Officially unveiled Thursday, restorers have slotted two new marble blocks into long-empty gaps high on the temple’s western end – the view visitors see when they first enter the ancient monument in Athens. The 25-century-old monument overlooking the Greek capital attracted about 4.6 million visitors last year. Long-term restoration projects address damage caused by war,...