Ghost Recon Breakpoint - Tomb Raider 25th Anniversary Event

Where to find all the Serpent Stones to unlock the special chest of this event, and maybe pretend you can be Lara Croft... well ... not really.
00:00 Starting the Event.
00:44 Landing to enter the Chest Event cave.
02:18 Founding the first map collectible about the first Serpent Stone location.
02:49 First Serpent Stone location found.
04:40 Second Serpent Stone location found.
06:37 Third Serpent Stone location found... almost.
07:20 Third Serpent Stone real location found.
07:47 Back to the Chest Event cave.
08:37 Lara Croft cosplay... kind of.