This came across my Facebook feed this morning - the highest quality video is at the end so watch it all the way through - Seems the snake enjoys basking on his burrow mate.
https://www.upi.com/Odd_News/2017/1...snake-riding-on-tortoises-back/1051509042380/
https://www.upi.com/Odd_News/2017/1...snake-riding-on-tortoises-back/1051509042380/