The shots directly into the trees/sun are taken directly from Rashômon, especially the ones in which the camera racks focus from the trees to the setting sun behind them. This is used to reference the 'rashomon' of conflicting stories Howie gets about Rowan's identity
When exploring the town of Port Jago, the group witness a parade for the summer solstice with people wearing animal masks and Morris dancers. One shot shows two people in animal masks looking out of the window, spoofing the film.