‘Postboxes to heaven’ have been springing up in cemeteries across the country after an idea from a grieving six-year-old girl from Nottingham became a national phenomenon. Several have been installed at sites across the county, including at the Cromer crematorium and more recently the Mintlyn Crematorium in Lynn. But have you ever wondered what happens to the letters posted by loved ones? And are they ever read by someone? Details received following a Freedom of Information Request to West Norfolk Council have revealed what happens to the letters received at Mintlyn Crematorium. The council sa…