By Glen Neath.

Today is the winter solstice and, according to some, doomsday.

A Mayan prophecy seems to specify 21st December 2012 as the end of a 'Long Count' and the beginning of a cataclysm that will engulf us all. Assorted spiritualists and new age groups add their own spin on the day's events: some say we are passing a tipping point, the birth of a new age where we'll take better care of our people and our planet; others say we are entering the end times, where many will die and the chosen few will ascend to another dimension, a higher consciousness - in a space ship.

Avis Roberts, a journalist, has been following one such group and, today, he is joining them at Silbury Hill in Wiltshire to share their final moments and figure out what is actually happening.

Other parts played by members of the company.

Music and sound by Alisdair McGregor and Howard Jacques.

Produced and directed by Boz Temple-Morris.

A Holy Mountain production for BBC Radio 4. Show less