Stonehenge, the location of which is Salisbury Plain in England, is a prehistoric monument. Its construction took place in about 1,800 BCand is undoubtedly an amazing human (1) ... (ACHIEVE). It consists of two circles of huge stones, some of which weigh up to 50 tons. What makes Stonehenge all the more (2) ... (IMPRESS) is the fact that some of the stones (3)... (ORIGIN) came from Pembrokeshire, which is over 200 miles away. Transportation of these stones would have been carried out using manual labour, since very little (4) ... (TECHNOLOGY) advancement had taken place at the time.