A waiter works at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at tables suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

A guest sits at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

A guest gets a glass of wine at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

A guest takes a selfie as he sits at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

A chef works at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)

Guests sit at a table suspended from a crane at a height of 50 meters in front of the Atomium during the 10th anniversary of the event "Dinner in the Sky" in Brussels, Belgium, on June 1, 2016. (Xinhua/Gong Bing)