Avoiding that friend who always wants you to stay for ONE more - BBC

Cave swifts try to go undetected when they fall into the water in a similar way to me trying to leave the pub without being noticed ???? #DavidAttenborough #CaveSwifts #Swifts #Nature #NaturalWorld #Asia #BBCAsia Subscribe and ???? to the BBC ???? https://bit.ly/BBCYouTubeSub Watch the BBC first on iPlayer ???? https://bbc.in/iPlayer-Home A continent steeped in beauty and intrigue. From the polar wilderness of Siberia to the coral seas of the Indian Ocean, revealing the breathtaking variety of Asia's wildest places. All our TV channels and S4C are available to watch live through BBC iPlayer, although some programmes may not be available to stream online due to rights. If you would like to read more on what types of programmes are available to watch live, check the 'Are all programmes that are broadcast available on BBC iPlayer?' FAQ ???? https://bbc.in/2m8ks6v.