Tourists sleep as they travel by boat along Li River between Guilin and Yangshuo, China

boat trip bored china chinese cruise boats east asia eastern tourists exhausted exhaustion eyes closed far east fatigued gui lin indoors inside lijiang river napping naps passengers river cruise ship ships sleeping upright slumber slumbering yangshuo county asleep close up daytime fatigue half length half lengths holidays horizontal journey journeys real people relaxation resting sightseeing sightseers sitting stock image stock photo stock photograph tired tourism tourist attractions travel destination travel photo travel photograph travel photography travel stock travelling travels visitors world culture worn out travel travel destinations chinese culture chinese ethnicity chinese appearance asian ethnicity asians travel experience tourism destination travelers visiting travellers traveler traveller visitor visit world cultures culture national culture color image color colour