geoglyph
A large drawing or design made on the ground, often visible from the air. Commonly associated with the Nazca Lines.
ナスカの地上絵は世界遺産に登録されている。
The Nazca geoglyphs are registered as a World Heritage site.
Compound of 地上 (chijō, 'on the ground') and 絵 (e, 'picture').