A man prepares his kite to fly during an international kite festival in Alcochete, near Lisbon, Portugal, Sunday, June 28, 2015. Teams from Spain, US, Britain, Italy, France and Portugal performed with their kites during two days on the 13th edition of the event. (Photo by Francisco Seco/AP Photo)

A man flies his kite during an international kite festival in Alcochete, near Lisbon, Portugal, Sunday, June 28, 2015. (Photo by Francisco Seco/AP Photo)

A man flies a kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

People fly a giant dragon shaped kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

A woman flies her kite during an international kite festival in Alcochete, near Lisbon, Portugal, Sunday, June 28, 2015. (Photo by Francisco Seco/AP Photo)

A man flies a kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

A man flies a kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

A man flies a kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

People walk near a giant dragon shaped kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

A woman flies a kite during the 13th International Kite Festival at the Moinhos beach in Alcochete near Lisbon, Portugal, June 28, 2015. (Photo by Hugo Correia/Reuters)

A woman lets a kite go airborne during an international kite festival in Alcochete, near Lisbon, Portugal, Sunday, June 28, 2015. (Photo by Francisco Seco/AP Photo)