Julia Loktev’s “The Loneliest Planet” continues the traditional of observational cinema revived over the last decade by Gus Van Sant, who experimented with screen stillness and improvisational dialogue in pictures such as “Gerry” and “Elephant.” “The Loneliest Planet” elects a travelogue route for its inspection of common behaviors and emotional wounds, trekking across the wilds of Georgia to soak up the natural beauty of the land as the characters work out some intense personal issues. It’s 110 minutes of hiking, subtitle-free conversations, and extended shots of stars Hani Furstenberg and Gael Garcia Bernal looking bored and concerned. For some, the interpretational opportunities of the production will be salivatory. For others, the relentless indulgence of the piece will feel like a trip where no one bothered to pack a map. Read the rest at Blu-ray.com