What are the 2 wonders of world which seen from space?

1. The Great Wall of China: This ancient Chinese fortification is clearly visible from space, particularly when it's snow-covered. The wall stretches over 6,350 kilometers and is composed of multiple sections built over different dynastic periods. Its massive size and unique structure make it stand out as one of the wonders of the world that can be seen from space.

2. The Great Barrier Reef: Located off the coast of Queensland, Australia, the Great Barrier Reef is the world's largest coral reef system. Its vibrant colors and vast size allow it to be observed from space. Covering over 2,300 kilometers, the reef consists of over 2,900 individual reefs and 900 islands.