#Jamstec plan to drill 6km into earth's crust in attempt to become first to reach the mantle, source Jamstec pic.twitter.com/0SBv5y12Tt— Colm McGlinchey (@ColmMcGlinchey) April 8, 2017
#Jamstec plan to drill 6km into earth's crust in attempt to become first to reach the mantle, source Jamstec pic.twitter.com/0SBv5y12Tt