. >>> china's largest air show opened in the southern city of zhuhai on tuesday. it showcases the country's first commercial jet. about 600 companies from nearly 40 countries and territories are taking part in the show that is held every two years. a state-owned aircraft maker in shanghai test-flew its 90-seat airplane. this is china's first passenger jet that has been developed in the country. the company also unveiled a full-size prototype of a passenger aircraft with about 150 seats. the maker says it has achieved a 10% improvement in fuel efficiency for its -- for this aircraft size due to a lighter fuselage. the company received 100 orders for the 150-seat plane from six customers including chinese carriers on the day. china's fast-growing market for air travel is expected to need about 4,500 new passenger aircraft by 2029. china is apparently aiming to show the world that its aircraft industry has advanced. this is an effort to promote sales of its passenger jets on the global market. >>> willem kentridge is a south african artist who started his career aski