58K views · 422 reactions | The Great Pyramid of Giza has stubbornly held onto its secrets for thousands of years, yet scientists now hope to reveal the famous structure’s inner mysteries by enlisting the help of cosmic rays. | IFLScience | Facebook

392K views · 2K shares | a walk along the base of the Great Pyramid At Giza Egypt Credit photo by @mateyatriglav | Egypt Cradle of civilization | Facebook