Hot air balloon sea level, and humidity of the air surrounding. On a warm day, a balloon cannot lift as much as on a cool day, because the temperature required for launch will exceed the maximum sustainable for nylon envelope fabric. Also, in the lower atmosphere, the lift provided by a hot air balloon decreases about 3% for each 1,000 meters (1% per 1,000 ft) of altitude gained. Standard hot air balloons are known as Montgolfier balloons and rely solely on the buoyancy of hot air provided by the burner and contained by the envelope. This style of balloon was developed by the
Philippine International Hot Air Balloon Fiesta newspaper from Korea and a large dog from Japan made their debut over the Pampanga skyline. Balloon participation from Malaysia, Korea, Japan, Germany, the United Kingdom, Sweden, Czechoslovakia, and the Netherlands drew crowds from around the world. Currently, the Philippine International Hot Air Balloon Festival continues to be a popular international sports aviation event. The 2006 festival featured 30 multicolored hot air balloons and more than a hundred balloon pilots from Finland, Sweden, the Netherlands, Germany, the Czech Republic, the Slovak Republic, Hungary, the United Kingdom, Canada, the United States, Japan, Korea, Malaysia, Singapore, Thailand and the Philippines. It also