![Swiss Tennis a Twitter: "National selections 15&U @ National Tennis Center in @BielBienne_off - welcome! #BuildingTheNextGeneration https://t.co/29tlhS7x8p" / Twitter Swiss Tennis a Twitter: "National selections 15&U @ National Tennis Center in @BielBienne_off - welcome! #BuildingTheNextGeneration https://t.co/29tlhS7x8p" / Twitter](https://pbs.twimg.com/media/EkiLsHYW0AAVrg4.jpg)
Swiss Tennis a Twitter: "National selections 15&U @ National Tennis Center in @BielBienne_off - welcome! #BuildingTheNextGeneration https://t.co/29tlhS7x8p" / Twitter
Swiss Tennis Twitterissä: "Our project leader, Jean-Marc Furrer: "The fully automatic tribunes can expand in only 90 seconds and accommodate 2500 spectators!" https://t.co/VlcW0rKKiT" / Twitter
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