ประมวลภาพ ปธน.โอบาม่าเยือนเอเชีย

U.S. President Barack Obama waves to the media upon arrival at the Ninoy Aquino International Airport in Manila, Philippines, April 28, 2014.

U.S. President Barack Obama, center, stands to speak as he attends a state dinner with Philippine President Benigno Aquino III at Malacanang Palace in Manila, Philippines, April 28, 2014.

Filipino activists pull barbed wire fence as they try to go near the Malacanang Palace during a rally to oppose the Enhanced Defense Cooperation Agreement between the Philippines and U.S., Manila, Philippines, April 28, 2014.

An activist holds a protest sign near the Malacanang Palace in Manila, Philippines, April 28, 2014.

President Barack Obama is welcomed by South Korean President Park Geun-hye at the Blue House in Seoul, April 25, 2014.

President Barack Obama tours Gyeongbok Palace in Seoul, April 25, 2014.

President Barack Obama and Japan's Empress Michiko attend a welcome ceremony at the Imperial Palace in Tokyo, April 24, 2014.

President Barack Obama and Japanese Prime Minister Shinzo Abe shake hands at the conclusion of their joint news conference at the Akasaka State Guest House in Tokyo, April 24, 2014.

President Barack Obama and ASIMO, an acronym for Advanced Step in Innovative MObility, bow to each other during a youth science event at the National Museum of Emerging Science and Innovation in Tokyo, April 24, 2014.

President Barack Obama is blessed as he tours Meiji Shrine in Tokyo, April 24, 2014.