Perca and Jones, from Switzerland and the Uk, firstly travelled around the world across 42,810 kms during the last 20 days by fire balloon, on 20th March 1999.

• 1999年3月20日，瑞士人皮尔卡、英国人琼斯经过近20天的飞行，终于完成了首次乘热气球环球飞行的壮举，总计飞行42810公里。