I made this type of work during 15 days in Sicilia, with the GH4.
Here's the equipement I used:
The little Asus with 500Go was very useful, as well as the Nextodi storage (500Go) to empty my SD cards.
The Manfrotto 391RC2 is light but not very useful for panoramic shots.
You can read more infos here:
http://www.5mars.com/2-trepied-et-sac-a-dos/
Here's my video "The Sicilian March":
https://vimeo.com/94922357
5mars got a reaction from jonpais in Solo Travel Videomentary