In this mystery,he is presented with a symbol tattooed on a hand.

VOA: special.2009.10.09

This year,it is presented for solving a problem in biology.

VOA: special.2009.12.08

A nuclear-free world is also U.S.President Barack Obama's vision - a vision he presented in April during a visit to Prague.

VOA: standard.2010.08.06

His sword is presented to heads of state, as Venezuelan President Hugo Chavez did in April to Russian Prime Minister Vladimir Putin.

VOA: standard.2010.06.09