The number of civilian pilots certified to operate unmanned aerial vehicles－known as UAVs or drones－and training centers has soared over the past four years, according to an industry report released on Wednesday.
Other hospitals in Hangzhou, Zhejiang province, and Jinan, Shandong province, also provide shared wheelchairs for patients.
"This is an exhibition that's about art, and about history, but it's also about diplomacy and humanity," said Kitchin, the museum director.
The statues were part of the baked earth army sculpted by artisans for decades so that they could be buried with Qin Shi Huangdi, the first emperor of China (260-210 BC), and serve him in his afterlife.
"I was an art enthusiast as a teenager, but I had little chance of realizing my dream," he said. "After retiring four years ago, I began to take different classes here, including ballroom dancing and vocal music.
"The significance of the project is really beyond culture and education; it really serves to enhance the mutual understanding between our two peoples and really serves to promote the relationship between the US and China."