Pleasure cruisers awaiting Chinese and Western passengers on Yangtze River cruise, Yichang, China

air quality chang jiang china chinese cruise liner cruise liners cruise passengers cruise ships east asia eastern stock image far east fog foggy passenger ships river scene smog smoggy tourist activity yangtse yangze yangzi jiang attractions boats cloudy daytime destinations full length full lengths horizontal nobody outdoors outside polluting pollution stock image stock photo stock photograph tourism tourist attraction tourists travel destination travel photo travel photograph travel photography travel stock travels travel travel destinations chinese stock image tourism destination sightseeing travelers visitors visiting travellers traveler traveller visitor visit sightseers color image color colour no people