Chinese President Xi Jinping arrived in Britain for a four-day state visit as the government of Prime Minister David Cameron seeks stronger trade ties with the world's second-largest economy.
President Barack Obama offered Xi Jinping a warm welcome at the White House, greeting his Chinese counterpart with a "ni hao," or hello, at the start of a tricky state visit.
US Secretary of State John Kerry took a risky gamble facing derision and much skepticism when he flew to Russia last week for the first time in two years.
Chinese President Xi Jinping will visit Russia this week to attend World War II anniversary celebrations, with Kazakhstan and Belarus also on his itinerary.
A presidential haiku, sashimi salads and a red carpet awaited Japan's Shinzo Abe at the White House, as Barack Obama offered the prime minister a grand welcome.