Taiwan considers itself a sovereign country, but China views it as one of its provinces and has not ruled out the possibility of using force to claim it.
"We went down initially for 24 hours, 10 days later we managed to get back home," Mr Aitken said.Mr Gardner said: "There's no predictability about it either, you know?
"It could happen at anytime, day or night. You don't get any warnings."Tackling wildfires is a long, hot and arduous job, Mr Gardner said.Getting all the equipment up the Cumbrian fells, sometimes on foot, is an "absolute nightmare", he added.
"You can't work for long in the fire kit because it does get very hot," he said."You're literally stood, like, a metre or two metres away."
Ten to twelve hour days during those types of incidents are common, Mr Aitken said.
Mr Aitken, who like Mr Gardner joined the service at the age of 19, said he was getting to the twilight of his career but, in his head, he was still enthusiastic to help.It is run as a not-for-profit organisation partly funded by the city of Helsinki, which has invested more than €6m ($6.7m; £5.2m) in the hub since its launch in 2016.
Ms Runeberg believes it will become the biggest start-up campus in Europe following the completion of three new buildings by 2028, adding a 50,000 sqm floor area.Later this year it is launching an accelerator programme designed to support and guide high-growth start-ups.
The hub's current and former members have already collectively raised over €1bn in funding.This represents around 40% of all early stage funding raised annually by Finnish start-ups.