Complex sentence: Later in 1744, captain James Cook, British Explorer and cartographer, when he visited the island found the erect statues intact who was followed by the Frenchman La Perouse in 1786.
Split into simpler sentences: Later in 1744, captain James Cook, British Explorer and cartographer, visited the island and found the erect statues intact. He was followed by the Frenchman La Perouse in 1786.