So you believe he was there in his capacity as an MEP representing UK South East Region comprising; Isle of Wight, East Sussex, West Sussex, Hampshire, Kent, Surrey, Berkshire, Oxfordshire, Buckinghamshire... not then as a failed MP or interim leader of UKIP or as a 'tourist'...
Are you guessing who paid for his jaunt - as he almost certainly won't be telling...
re expenses
Truly mould breaking >
https://www.theguardian.com/politics/2014/jun/12/nigel-farage-europe-expenses-ukip
"Speaking on the BBC Today programme at the outset of the European elections, Farage said he would be happy to have his office accounts audited by an independent accountant "if it would settle the argument".
Days later he refused to do so saying he would not be singled out as the only one of 73 MEPs to have his accounts independently audited. In fact all UK MEPs other than those from Ukip have had their accounts audited."