By Emma Gritt Chris Hemsworth and Elsa Pataky look loved-up in a new festive photo dump – as unkind rumours about their marriage continue to swirl. The Thor star, 40, and the 47-year-old Spanish actress have been married for thirteen years and share three children, India, 11, and twin boys Sasha and Tristan, 9. In new photos Chris posted to Instagram, they can be seen enjoying Christmas Day at their gorgeous £10m Byron Bay compound, eating in the blazing Australian sun, and gazing over their infinity pool and out towards the sea. The couple’s fans have voiced their concern that there might be …