Kiệt tác bí ẩn trên đá
Hơn 100 bức hoạ trên đá có từ hàng nghìn năm trước đây vừa mới được phát hiện ở phía bắc nước Anh. Chúng bao gồm một quần thể những phiến đá được thiết kế theo kiểu kiến trúc những vòng tròn đồng tâm..
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dOG6uG/hu5fhuqd2T+G7l+G7teG7peG7l+G7uXThurjDguG7l+G7tcOK4bq44buXRcO64buX4bu54bqm4bquw5Phu5fhu7Phuqzhu5d54bq4buG7l+G7uXfhu57hu5fhuqThu5J04buX4bqkw4Dhurjhu5fEqOG7l0vhuqThuqx04buXT03hu5DDjOG7tW/hu48vS8O14buPS8O14bqn4bqkQeG6uuG7l8Oq4bqn4bu0