04 de December del 2016 Sunday´s quiz: Flying with helium balloons Por Siempreenlasnubes Publicado 4 December, 2016 En Did you know that…? Sunday´s quiz: How many helium balloons are necessary to lift a 75 kg. man? 1.- 287 2.- 1.500 3.- 600 Answer Ready to fly? Book Now! Leave a ReplyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ
