bedrock - the solid rock in the ground below the loose soil and sand - หินแข็งชั้นล่างที่อยู่ใต้ชั้นดินและทราย Articles found: Pluto mission: New photos released. (UPDATED) (18/07/2015) Chequebook Buddhism: Threat to Buddhism in Thailand? (09/04/2015) Antarctic ice melt "unstoppable," scientists say (14/05/2014) Greenland's Grand Canyon (02/09/2013)
