कौनसे देश ने 2008 ग्रीष्मकालीन ओलंपिक के लिए बर्ड्’स नेस्ट स्टेडियम का निर्माण किया था?

The Beijing National Stadium, nicknamed the 'Bird's Nest' for its lattice of steel, was built by China as the main stadium of the 2008 Beijing Summer Olympics.