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2021-01-24 12:48 Arno  
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i've created a youtube playlist containing all dancing- and rolling-fly-formation videos, in chronological order:  
  
<a href="https://www.youtube.com/watch?v=QLfZxj6RNbk&list=PLRLsD2VSWwx5TxDOaKJEHlokW857zSZFX" target="external">https://www.youtube.com/watch?v=QLfZxj6RNbk&list=PLRLsD2VSWwx5TxDOaKJEHlokW857zSZFX</a>  
  
it looks like a nice book of history, showing how this amazing bd research topic has evolved over time... :-D  
  
please let me know if i have forgotten any important video... :-)