Asif Kapadia, whose Amy Winehouse documentary screened at the festival last weekend, also tweeted that his wife had been challenged over wearing flat shoes, although she was eventually allowed in.
The atmospheric correction of satellite data is challenging over desert agricultural systems, due to the relatively high aerosol optical thicknesses (τ550), bright soils, and a heterogeneous surface reflectance field.
Many of the precepts by which our economic life is governed were challenged over the summer.
Do you think Mona will ever be challenged over her eligibility?
In court, Ferdinand was challenged over words he used with the gesture.
Northern Lights was challenged over its "religious viewpoint", the ALA said.
A leading Blairite was recently at dinner with a friend, and found himself being challenged over the government's activities.
Carney, who only joined the Bank last July, should expect to be challenged over his efforts to modernise the Bank.
Gove gave a flat "no" when he was challenged over this at his launch press conference on Friday.
Cave was challenged over pictures published by Heat published a picture of X Factor creator Simon Cowell on a private yacht.
