A Lord of Lightning performs during the Arcadia laser and pyrotechnics show in Bristol, Britain September 4, 2015. Bristol, the European Green Capital 2015, is hosting the world's first recycled biofuel pyrotechnics show. The 50-tonne Arcadia spider is constructed from used repurposed military hardware and fuelled by waste oil from local fish and chip shops. Photograph taken September 4, 2015. REUTERS/Eddie Keogh

Spectators watch the 50-tonne Arcadia spider perform a laser and pyrotechnics show in Bristol, Britain September 4, 2015. Bristol, the European Green Capital 2015, is hosting the world's first recycled biofuel pyrotechnics show. The 50-tonne Arcadia spider is constructed from used repurposed military hardware and fuelled by waste oil from local fish and chip shops. Photograph taken September 4, 2015. REUTERS/Eddie Keogh

A Lord of Lightning performs during the Arcadia laser and pyrotechnics show in Bristol, Britain September 4, 2015. Bristol, the European Green Capital 2015, is hosting the world's first recycled biofuel pyrotechnics show. The 50-tonne Arcadia spider is constructed from used repurposed military hardware and fuelled by waste oil from local fish and chip shops. Photograph taken September 4, 2015. REUTERS/Eddie Keogh

Spectators watch the 50-tonne Arcadia spider perform a laser and pyrotechnics show in Bristol, Britain September 4, 2015. Bristol, the European Green Capital 2015, is hosting the world's first recycled biofuel pyrotechnics show. The 50-tonne Arcadia spider is constructed from used repurposed military hardware and fuelled by waste oil from local fish and chip shops. Photograph taken September 4, 2015. REUTERS/Eddie Keogh

A Lord of Lightning performs during the Arcadia laser and pyrotechnics show in Bristol, Britain September 4, 2015. Bristol, the European Green Capital 2015, is hosting the world's first recycled biofuel pyrotechnics show. The 50-tonne Arcadia spider is constructed from used repurposed military hardware and fuelled by waste oil from local fish and chip shops. Photograph taken September 4, 2015. REUTERS/Eddie Keogh

Spectators watch the 50-tonne Arcadia spider perform a laser and pyrotechnics show in Bristol, Britain September 4, 2015. Bristol, the European Green Capital 2015, is hosting the world's first recycled biofuel pyrotechnics show. The 50-tonne Arcadia spider is constructed from used repurposed military hardware and fuelled by waste oil from local fish and chip shops. Photograph taken September 4, 2015. REUTERS/Eddie Keogh

Travellers park their horses and carts outside the fish and chip shop in Appleby in Westmorland, Britain June 4, 2015. The horses are in the town as part of the annual horse fair which has taken place since the 1600's. REUTERS/Phil Noble

Salih Yilcim, 28, poses for a photograph at his workplace, Big Bite Fish and Chip Shop, in the London constituency of Brent Central, Britain, April 3, 2015. Yilcim was born in England, his parents are from Ireland and Cyprus. He said: "England is a disgrace in the way the government look after old people. In this job I've learnt a real respect for old people. They should be looked after much better." Brent, a northwest London neighbourhood that's home to Wembley football stadium, is among the most ethnically diverse areas in the United Kingdom. As the country approaches a closely fought election on May 7, Reuters photographer Eddie Keogh visited shopkeepers to get their views on the poll. Picture taken April 3, 2015. REUTERS/Eddie Keogh 

Fans eat outside a fish and chip shop before Rochdale and Stoke City's English FA Cup 4th round soccer match at Spotland Stadium in Rochdale, northern England January 26, 2015. REUTERS/Darren Staples (BRITAIN - Tags: SPORT SOCCER FOOD) 

Youths sit outside a fish and chip shop in the town of Lerwick on the Shetland Islands April 3, 2014. Twelve hours by ferry from the Scottish mainland, hundreds of miles from Edinburgh and closer to Oslo than London, the windswept Shetland islands have their own aspirations about Scottish independence. Some of the 23,000 inhabitants even want their own. Many Shetlanders see the Sept. 18 vote on whether Scotland should end the 307-year-old union with England as an opportunity to gain control over local services and a share of revenues from the oil pumped from the North Sea. Picture taken April 3, 2014. REUTERS/Cathal McNaughton (BRITAIN - Tags: POLITICS ELECTIONS SOCIETY FOOD TPX IMAGES OF THE DAY)

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Jars of pickled eggs, onions and gherkins are seen on a shelf in a fish and chip shop in Blackpool, northern England September 8, 2013. REUTERS/Phil Noble (BRITAIN - Tags: SOCIETY) 

A family eat their lunch as they sit on a bench outside a fish and chip shop in Towyn, north Wales August 6, 2013. British beach resorts, which flourished in the 19th century and earlier, have tempted tourists for years with amusement arcades, fairground rides and cheap and cheerful souvenirs. However, as a 2013 report by the Centre for Social Justice states, many seaside towns suffered as from the 1970s it became cheaper and easier for British tourists to travel abroad. Now, according to the Office for National Statistics, larger seaside towns in England suffer from higher-than-average levels of deprivation compared to the rest of the country. Nevertheless, they do continue to attract holiday makers. Picture taken August 6, 2013. REUTERS/Phil Noble (BRITAIN - Tags: SOCIETY TRAVEL FOOD) 

Fish and chips are seen in a sea front cafe in Blackpool, northern England September 8, 2013. British beach resorts, which flourished in the 19th century and earlier, have tempted tourists for years with amusement arcades, fairground rides and cheap and cheerful souvenirs. However, as a 2013 report by the Centre for Social Justice states, many seaside towns suffered as from the 1970s it became cheaper and easier for British tourists to travel abroad. Now, according to the Office for National Statistics, larger seaside towns in England suffer from higher-than-average levels of deprivation compared to the rest of the country. Nevertheless, they do continue to attract holiday makers. Picture taken September 8, 2013. REUTERS/Phil Noble (BRITAIN - Tags: SOCIETY TRAVEL) 

Britain's Camilla, Duchess of Cornwall greets members of the public during a visit to a fish and chip shop in Bridlington, northern England July 23, 2013. REUTERS/Shirlaine Forrest/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Britain's Camilla, Duchess of Cornwall eats haddock and chips during a visit to a fish and chip shop in Bridlington, northern England July 23, 2013. REUTERS/Shirlaine Forrest/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Britain's Camilla, Duchess of Cornwall eats haddock and chips during a visit to a fish and chip shop in Bridlington, northern England July 23, 2013. REUTERS/Shirlaine Forrest/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Britain's Camilla, Duchess of Cornwall eats haddock and chips during a visit to a fish and chip shop in Bridlington, northern England July 23, 2013. REUTERS/Shirlaine Forrest/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Britain's Camilla, Duchess of Cornwall greets staff during a visit to a fish and chip shop in Bridlington, northern England July 23, 2013. REUTERS/Shirlaine Forrest/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Britain's Camilla, Duchess of Cornwall eats haddock and chips during a visit to a fish and chip shop in Bridlington, northern England July 23, 2013. REUTERS/Shirlaine Forrest/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Youths wait for fish and chips at a local chip shop in Scarborough, northern England February 27, 2013. Scarborough is not far from Whitby, once a busy fishing port, is now a shadow of its former self. Only 200 people are now employed in fishing, and the fleet is down to just a few boats. Global warming has expanded fish habitats northwards, with fish stocks sometimes disappearing for weeks on end. Boats return from sea with largely empty nets, and the atmosphere is sour. Often schools of fish then reappear unpredictably, resulting in bumper catches and causing much jubilation - but then E.U. quotas kick in and force fishermen to dump excess catch in the sea to avoid hefty E.U. fines. Picture taken February 27, 2013. REUTERS/Dylan Martinez (BRITAIN - Tags: SOCIETY ENVIRONMENT BUSINESS EMPLOYMENT ANIMALS MARITIME FOOD)

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A woman leaves a fish and chip shop displaying a Union flag on the Shankill road area of west Belfast December 11, 2012. Police were attacked in Belfast on Monday night by loyalists enraged by a decision to remove the British flag from Belfast City Hall, which has sparked eight consecutive days of demonstrations. REUTERS/Cathal McNaughton (NORTHERN IRELAND - Tags: POLITICS CIVIL UNREST) 

A man walks past the Ocean Pride fish and chip shop in north London May 22, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Paul Georgiou, owner of The Dining Plaice fish and chip shop, poses for a photograph in central London May 22, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Diners eat at the Rock and Sole Plaice restaurant in central London May 22, 2012. Established in 1871, this is thought to be London's oldest fish and chip shop. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Fish and Chip shop owner Gary Chapman is seen working at Jack's Fish & Chips in west London May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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A customer looks at the battered fish at the Quality Fish Bar in north London May 22, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SOCIETY FOOD)

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Kyri Theodosi poses for a photograph at the Quality Fish Bar in north London May 22, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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A street is reflected in the shop window of the Golden Hind fish and chip shop in central London May 22, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Customers eat their takeaway fish and chips outside the Wembley Bay fish and chip shop in west London May 13, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 13, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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A customer hands over his money at The Codfather fish and chip shop in west London, May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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The Codfather fish and chip shop is seen in west London May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Honey Rose Nettleton-Johnson poses for a picture with her dinner at Jack's Fish & Chips shop in west London May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef and Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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A sign is seen outside Jack's Fish & Chips shop in west London May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Paul Georgiou, owner of the Dining Plaice fish and chip shop, gets a drink for a customer in central London May 22, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 22, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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A woman eats fish and chips at Jack's Fish & Chips in west London May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef, Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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Fish and Chip shop owner Gary Chapman is seen working at Jack's Fish & Chips in west London May 18, 2012. Deep-fried fish in a crispy batter with fat golden chips is still as popular as ever with the British public, ranked alongside roast beef and Yorkshire pudding and chicken tikka masala as the nation's favourite dish. Picture taken May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: FOOD SOCIETY)

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A waiter works in front of an old art deco deep fat fryer, which is now used to store cutlery and glasses at The Golden Hind fish and chip shop in central London May 22, 2012. The owners of the Golden Hind are displayed on a roll of honour inside dating back to 1914. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

A takeaway menu is seen at the Grand Union Fish Bar in central London May 22, 2012. It is claimed that the first combined fish and chip shop was opened by a Jewish immigrant, Joseph Malin in East London around 1860. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

A child sleeps as her parents dine at The Golden Hind fish and chip shop in central London May 22, 2012. The owners of the Golden Hind are displayed on a roll of honour inside dating back to 1914. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Kyri Theodosi poses for a photograph at the Quality Fish Bar in north London May 22, 2012. He has worked at this fish and chip shop since 1976 when he arrived in London from Greece. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Men are seen working behind the counter at the Wembley Bay fish and chip shop in west London May 13, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Bottles of vinegar are seen at The Golden Hind fish and chip shop in central London May 22, 2012. The owners of the Golden Hind are displayed on a roll of honour inside dating back to 1914. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

People walk past the Rock and Sole Plaice in central London May 22, 2012. Established in 1871, this is thought to be London's oldest fish and chip shop. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Chips are taken from the fryer at the Rock and Sole Plaice in central London May 22, 2012. Established in 1871, this is thought to be London's oldest fish and chip shop. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

A man looks at the battered fish in the Wembley Bay fish and chip shop in west London May 13, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY) 

A customer pays for his food at the Wembley Bay fish and chip shop in west London May 13, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Battered fish is seen in the fryer in the Wembley Bay fish and chip shop in west London May 13, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

An exterior view of Mr Fish restaurant in north London May 22, 2012. It is claimed that the first combined fish and chip shop was opened by a Jewish immigrant, Joseph Malin in East London around 1860. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Uncooked fish is taken from the fridge at Mr Fish in north London May 22, 2012. It is claimed that the first combined fish and chip shop was opened by a Jewish immigrant, Joseph Malin, within the sound of Bow Bells in East London around 1860. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY) 

Aria Sousa, owner of the Ocean Pride fish and chip shop serves customers in north London May 22, 2012. It is claimed that the first combined fish and chip shop was opened by a Jewish immigrant, Joseph Malin in East London around 1860. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Customers are seen dining at Mr Fish in north London May 22, 2012. It is claimed that the first combined fish and chip shop was opened by a Jewish immigrant, Joseph Malin, within the sound of Bow Bells in East London around 1860. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY) 

Samuel Willoughby, 9, poses for a picture with his bag of chips at the Codfather fish and chip shop in west London May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

A sign is seen on the window of a fish and chip shop in west London May 18, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SOCIETY)

Women chat outside a vacant, closed down store as a man looks out from a fish and chip shop in the heart of Sheffield, northern England January 25, 2012. Britain's economy may have entered a mild recession in the last three months of 2011, hampering the government's core policy aim of spurring growth and raising the chances that the Bank of England will inject more cash soon. REUTERS/Dylan Martinez (BRITAIN - Tags: SOCIETY BUSINESS POLITICS) 

Women chat outside a vacant, closed down store as a man looks out from a fish and chip shop in the heart of Sheffield, northern England January 25, 2012. Britain's economy may have entered a mild recession in the last three months of 2011, hampering the government's core policy aim of spurring growth and raising the chances that the Bank of England will inject more cash soon. REUTERS/Dylan Martinez (BRITAIN - Tags: SOCIETY BUSINESS POLITICS) 

Britain's opposition Conservative Party leader David Cameron, on a non-stop 24 hour election campaigning tour, visits a fish and chip shop in the village of Long Town in Cumbria May 4, 2010. Britain's party leaders campaigned around the clock on Tuesday in a final push for votes, two days before a parliamentary election that opinion polls suggest could redraw the political map. Prime Minister Gordon Brown hinted that he could step aside if his Labour Party fails to win a fourth consecutive election on Thursday, as most polls suggest. Picture taken May 4, 2010. REUTERS/Carl de Souza/POOL (BRITAIN - Tags: POLITICS ELECTIONS) 

Britain's opposition Conservative Party leader David Cameron, on a non-stop 24 hour election campaigning tour, visits a fish and chip shop in the village of Long Town in Cumbria May 4, 2010. Britain's party leaders campaigned around the clock on Tuesday in a final push for votes, two days before a parliamentary election that opinion polls suggest could redraw the political map. Prime Minister Gordon Brown hinted that he could step aside if his Labour Party fails to win a fourth consecutive election on Thursday, as most polls suggest. Picture taken May 4, 2010. REUTERS/Carl de Souza/POOL (BRITAIN - Tags: POLITICS ELECTIONS) 

Britain's opposition Conservative Party leader David Cameron, on a non-stop 24 hour election campaigning tour, visits a fish and chip shop in the village of Long Town in Cumbria May 4, 2010. Britain's party leaders campaigned around the clock on Tuesday in a final push for votes, two days before a parliamentary election that opinion polls suggest could redraw the political map. Prime Minister Gordon Brown hinted that he could step aside if his Labour Party fails to win a fourth consecutive election on Thursday, as most polls suggest. Picture taken May 4, 2010. REUTERS/Carl de Souza/POOL (BRITAIN - Tags: POLITICS ELECTIONS) 

Britain's opposition Conservative Party leader David Cameron, on a non-stop 24 hour election campaigning tour, visits a fish and chip shop in the village of Long Town in Cumbria May 4, 2010. Britain's party leaders campaigned around the clock on Tuesday in a final push for votes, two days before a parliamentary election that opinion polls suggest could redraw the political map. Prime Minister Gordon Brown hinted that he could step aside if his Labour Party fails to win a fourth consecutive election on Thursday, as most polls suggest. Picture taken May 4, 2010. REUTERS/Carl de Souza/POOL (BRITAIN - Tags: POLITICS ELECTIONS) 

Conservative Party leader David Cameron buys food in a fish and chip shop in Long Town village May 4, 2010. Cameron was in Cumbria during a non-stop 24-hour campaigning session before the general election. Britain's party leaders campaigned around the clock on Tuesday in a final push for votes, two days before a parliamentary election that opinion polls suggest could redraw the political map. REUTERS/Carl de Souza/Pool (BRITAIN - Tags: POLITICS ELECTIONS)