A guest visits the south reflecting pool during ceremonies marking the 17th anniversary of the September...
A guest visits the south reflecting pool as he lays his hands on the names of victims during ceremonies marking the 17th anniversary of the September 11, 2001 attacks on the World Trade Center, at the National 9/11 Memorial and Museum in New York, U.S., September 11, 2018. REUTERS/Brendan McDermid