http://www.youtube.com/watch?v=MWsgs3AArvc
...watch the shadows over the trees from about 1.25
![Exclamation :!:](./images/smilies/icon_exclaim.gif)
Incident: Skybus DC87 at Rionegro on Jan 21st 2018, unsafe departure
Video by: Medellin Spotter
A Skybus Douglas DC-8-70 departed Rionegro but needed almost all of the runway before becoming airborne, Colombia's Civil Aviation Authority rated the departure unsafe.
http://www.youtube.com/watch?v=M4M2XQeKSBw
...see both21 JAN 2018 / McDonnell Douglas DC-8-73CF / OB-2059P / Overloaded / Medellín-Colombia
http://avherald.com/h?article=4b414b6e
and
https://aviation-safety.net/wikibase/wiki.php?id=205025
for more background information...