Greece reopened the Acropolis in Athens and all open-air archaeological sites in the country to the public on Monday after a two-month closure due to the coronavirus pandemic.A clutch of tourists and masked reporters gathered at the world-famous site, the most visited monument in Greece.“We have never seen so few people at the Acropolis,” said a Russian visitor, a woman who has lived in Athens for five years. “It’s like having a private visit.”President Katerina Sakellaropoulou was among the…