The Vredefort Dome World heritage site in South Africa marks the centre of the largest asteroid impact crater on earth and twice the size of the crater that caused the extinction of most dinosaurs. We give briefings and lead tours of the Dome. Contact me if interested. Prof Graeme Addison.

Visit the largest meteorite impact site on Earth with an expert guide. 1 hour from Johannesburg, South Africa. vdome.co.za