A mechanical installation named "Long Ma" makes its way during the Long Ma performance in front of the National Stadium, also known as the Bird's Nest, on a hazy night in Beijing, October 19, 2014. "Long Ma", a 17-meter (56-ft) long and 15-meter (49-ft) tall mechanized dragon sculpture, and "The Spider", a 5.7-meter (19-ft) tall and 6-meter (20-ft) wide machine, are operated by French performance art company La Machine. The structures are operated by an automatic control system and electronic equipment. The performance, which combines Chinese culture and French art, was held in Beijing in honour of the 50th anniversary of the establishment of diplomatic relations between the two countries, an organiser of the event said. Picture taken October 19, 2014. REUTERS/Jason Lee (CHINA - Tags: POLITICS SOCIETY ENVIRONMENT)

Spectators react as they watch a mechanical installation named "Long Ma" breathe fire during the Long Ma performance in front of the National Stadium, also known as the Bird's Nest, in Beijing, October 19, 2014. "Long Ma", a 17-meter (56-ft) long and 15-meter (49-ft) tall mechanized dragon sculpture, and "The Spider", a 5.7-meter (19-ft) tall and 6-meter (20-ft) wide machine, are operated by French performance art company La Machine. The structures are operated by an automatic control system and electronic equipment. The performance, which combines Chinese culture and French art, was held in Beijing in honour of the 50th anniversary of the establishment of diplomatic relations between the two countries, an organiser of the event said. Picture taken October 19, 2014. REUTERS/Jason Lee (CHINA - Tags: POLITICS SOCIETY ENVIRONMENT)

A mechanical installation named "Long Ma" makes its way during the Long Ma performance in front of the National Stadium, also known as the Bird's Nest, on a hazy night in Beijing, October 19, 2014. "Long Ma", a 17-meter (56-ft) long and 15-meter (49-ft) tall mechanized dragon sculpture, and "The Spider", a 5.7-meter (19-ft) tall and 6-meter (20-ft) wide machine, are operated by French performance art company La Machine. The structures are operated by an automatic control system and electronic equipment. The performance, which combines Chinese culture and French art, was held in Beijing in honour of the 50th anniversary of the establishment of diplomatic relations between the two countries, an organiser of the event said. REUTERS/Jason Lee (CHINA - Tags: POLITICS SOCIETY ENVIRONMENT)

A mechanical installation named "Long Ma" (L) stands next another one named "The Spider" during the Long Ma performance in Beijing, October 19, 2014. "Long Ma", a 17-meter (56-ft) long and 15-meter (49-ft) tall mechanized dragon sculpture, and "The Spider", a 5.7-meter (19-ft) tall and 6-meter (20-ft) wide machine, are operated by French performance art company La Machine. The structures are operated by an automatic control system and electronic equipment. The performance, which combines Chinese culture and French art, was held in Beijing in honour of the 50th anniversary of the establishment of diplomatic relations between the two countries, an organiser of the event said. Picture taken October 19, 2014.  REUTERS/Jason Lee (CHINA - Tags: POLITICS SOCIETY ENVIRONMENT)