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ChangeSpot a black London cab
Find a classic black Hackney carriage on the road or at a rank. Photograph the rounded silhouette with the FOR HIRE light on if you can.
Spot a black taxi For Hire light
Find a black cab with its yellow FOR HIRE light glowing (meaning you can hail it). Photograph the light against the dark cab.
Spot a black taxi in Manchester
Find a black hackney cab on a Manchester rank or street. Photograph the cab.
Spot a blue plaque
Find a round blue plaque on a London building (English Heritage marks the homes of famous past residents). Photograph the plaque close-up.
Spot a blue-domed church
Find a blue-domed Greek Orthodox chapel anywhere in Athens (the Cathedral, Kapnikarea, a tiny Anafiotika chapel). Photograph the dome against the sky.
Spot a Bluebird Café reference
Find a Bluebird Café reference (the Green Hills venue, posters, photographs). Photograph the reference.
Spot a BMW logo
Find a BMW logo on a parked car, a billboard, the BMW Welt facade or a souvenir. Photograph the blue-white propeller.
Spot a bocadillo de calamares
Find the Madrid classic bocadillo de calamares (fried-squid sandwich) at a bar around Plaza Mayor (La Campana, Bar Postas). Photograph the sandwich.
Spot a Boekhandel Dominicanen interior
Walk into the Boekhandel Dominicanen bookshop in the old Dominican church. Photograph the gothic-ceiling interior.
Spot a Bohemian crystal display
Find a window full of Bohemian crystal glasses and chandeliers (around Old Town there are dozens of shops). Photograph the sparkle.
Spot a Boqueria fruit stall
Inside the Boqueria find a fruit stall with stacked dragon fruit, mangos, mountains of strawberries. Photograph the colours.
Spot a Bordallo Pinheiro swallow
Find the colourful ceramic swallows that Bordallo Pinheiro makes (in souvenir shops, on facades). Photograph a pair of them on a wall.
Spot a Boston bow-window brownstone row
Walk Commonwealth Avenue and find a row of bow-window brownstones. Photograph the symmetry.
Spot a Boston brownstone
Find a brick brownstone in Back Bay or Beacon Hill with the stoop and bow window. Photograph the facade.
Spot a Boston clam chowdah bowl
Find a bowl of New England clam chowder (Legal Sea Foods, Union Oyster House). Photograph the cream.
Spot a Boston cobblestone street
Find a cobblestone street in the North End or Beacon Hill. Photograph the stones.
Spot a Boston cream pie
Find a Boston cream pie or doughnut at a bakery or diner. Photograph the chocolate-and-cream layers.
Spot a Boston Duck Tour amphibious vehicle
Find a Boston Duck Tour amphibious vehicle (red, white and blue) on the road or river. Photograph the duck.
Spot a Boston lobster roll
Find a lobster roll on a Boston counter (Neptune Oyster, James Hook, Yankee Lobster). Photograph the bun.
Spot a Boston Marathon finish line marker
Find the yellow-and-blue Boston Marathon finish line painted on Boylston Street. Photograph the line.
Spot a Boston Tea Party reference
Find a Boston Tea Party reference (the museum, a tea-crate replica, gift shop). Photograph the reference.
Spot a boulangerie storefront
Find a storefront with "Boulangerie" lettered on the awning or sign. They are on almost every block; photograph the sign.
Spot a bouquiniste
Spot the green riverside book boxes (bouquinistes) along the Seine quays. They sell second-hand books, prints and postcards. Photograph an open box.
Spot a Bourbon Street neon sign
Walk down Bourbon Street and find a neon sign on a club or bar. Photograph the neon.