Threat to the landscape of Salisbury Plain

The government is thinking of wrecking the Stonehenge World Heritage Area .
The Stonehenge Alliance is pressing for a tunnel that spares all the World Heritage Site and has started the petition below. Please sign and help to multiply the signatures by passing on the link to anybody who may be sympathetic:
https://you.38degrees.org.uk/petitions/save-stonehenge-world-heritage-site