Sino-US ties reach new plane as flights expand

Airlines from both countries are cashing in as the world's top two economies become increasingly linked, reports Wang Wen

The skies above the Pacific seem to be getting busier all the time, as airlines based on both sides of the ocean are putting more planes in the air - and connecting more cities - to carry rising numbers of business and holiday travelers.

This month, four major Chinese and US carriers are launching new trans-Pacific routes. And airlines that connect the two economic giants are investing in more aircraft and services.