Relatives of victims, police officers, firefighters and city leaders gathered at the National September 11 Memorial in Lower Manhattan, where the names of those who died were read aloud -- as they have been every year since the deadliest single attack on US soil.
Two decades after 9/11, Saudi Arabia seeks economic reform, softer image
Women can drive and cinemas have reopened in the "new" Saudi Arabia under crown prince and de facto ruler Mohammed bin Salman
