Having small waste disposable bins along the trail, burnable and biodegradable waste was disposed off at incinerators at locations in the region. And only the nonburnable and non-biodegradable waste was brought down to Lukla.
He also noted pollution in some of the rivers and the low efficiency in usage across the country.
Haworth visited Wuhan for the first time in 2012 and established his own biotech company in the Optics Valley. In 4 years his business has developed rapidly in China.
He also said Israel is willing to play a role in cooperation with China on infrastructure under the Belt and Road Initiative, which Xi proposed in 2013.
He Shaowei, an associate professor in international business at the University of Northampton, said: "We have seen Chinese businesses engaging with a much wider range of industries compared to even just a decade ago. There are new forces and forms of collaboration emerging as well."
He added the company has caught up with GoPro, one of the world's most popular sports cameras, and climbed to the top of the professional panoramic camera market.
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He added that United is eager to engage with the Chinese market, a move signalled by the airline's growing presence on WeChat, one of China's most-popular social-media apps.
He added that many of his American friends based in Hong Kong were disappointed by the US sanctions.
He admitted he has been torn at times between maintaining old traditions and adapting to new trends.
He added that the company will export the model to Belt and Road economies to help them better protect their traditional cultures while achieving economic growth.