Complex sentence: Four years later, in mid-March 1774, British explorer James Cook visited Easter Island, he reported the statues as being neglected with some having fallen down; no sign of the three crosses and his botanist described it as "a poor land".
Split into simpler sentences: Four years later, in mid-March 1774, British explorer James Cook visited Easter Island. They reported the statues as being neglected with some having fallen down; no sign of the three crosses and his botanist described it as "a poor land".