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Spot the Andalusian flag
Find the Andalusian flag (horizontal green-white-green) flying alongside the Spanish flag. Photograph the colours.
Spot the Arc de Triomf
Walk to Passeig de Lluís Companys and find the Arc de Triomf, the red-brick triumphal arch from the 1888 World Fair. Photograph the arch.
Spot the Arc de Triomphe in view
Catch a clear view of the Arc de Triomphe, ideally framed down a boulevard from one of the 12 avenues that radiate from it. Photograph it.
Spot the Astronomical Clock
Walk to Old Town Square and find the Astronomical Clock on the side of the Old Town Hall. Photograph the two dials (or the figures appearing on the hour).
Spot the AT&T "Batman" Building
Find the AT&T Building, nicknamed the Batman Building for its two spires. Photograph the silhouette.
Spot the Atlético Madrid red and white
Find the Atlético Madrid colours (red and white vertical stripes) on a flag, kit or graffiti, especially around the Wanda Metropolitano or the southern barrios. Photograph the stripes.
Spot the Atomium
Take the metro to Heysel and find the Atomium, the giant 102-metre stainless-steel atom from Expo 58. Photograph it filling the frame.
Spot the Austrian flag
Find an Austrian flag (horizontal red-white-red) flying on a building, balcony or coach. Photograph it.
Spot the Baptistry doors (Gates of Paradise)
Find the gilded bronze doors of the Baptistry (Ghiberti's Gates of Paradise replica). Photograph the panels.
Spot the Barbican
Find the gothic Barbican (Barbakan) at the northern end of Floriańska Street. Photograph the brick fortification.
Spot the Barcelona Ramblas crowd
Walk down La Rambla and find the crowds, the flower stalls or the human statues. Photograph the bustle.
Spot the Barceloneta beach
Walk to Barceloneta beach and photograph the sand with the Frank Gehry golden fish sculpture or the W Hotel in the background.
Spot the Basilica of the Holy Blood
On the Burg find the Basilica of the Holy Blood, the small chapel with the romanesque lower and gothic upper. Photograph the gold-decorated upper facade.
Spot the Basilica San Marco facade
Find the Basilica di San Marco on Piazza San Marco. Photograph the five gold-mosaiced arches.
Spot the Bayside Marketplace
Find the Bayside Marketplace on Biscayne Bay with a souvenir stall. Photograph the boardwalk.
Spot the bear and strawberry tree
Walk to Puerta del Sol and find El Oso y el Madroño, the bronze of a bear reaching up into a strawberry tree, Madrid's symbol. Photograph the bear.
Spot the Beetham Tower
Find the Beetham Tower (Hilton Hotel) on Deansgate, the slim 168-metre tower with the cantilevered top. Photograph the silhouette.
Spot the Begijnhof courtyard
Find the entrance to the Begijnhof off Spui, step inside and photograph the quiet inner courtyard with the wooden house (Het Houten Huys).
Spot the Begijnhof entrance
Walk to the Begijnhof and find the gothic stone entrance gate, the cobbled bridge across the canal. Photograph the gate.
Spot the Belém Tower
Walk to the Torre de Belém on the Tagus and find the Manueline limestone tower. Photograph it from the riverside path.
Spot the Belfort tower (Belfry)
Find the Belfort van Brugge, the 83-metre medieval bell tower on the Markt. Photograph the leaning brick tower against the sky.
Spot the Belgian tricolor
Find the Belgian flag (vertical black-yellow-red stripes) flying on a building, balcony or hotel. Photograph it.
Spot the Bellagio fountains
Find the Bellagio fountain show on the Strip. Time it for a show and photograph the water shooting up.
Spot the Bergkerk
Find the Bergkerk on the Bergkerkplein with its 14th-century twin towers. Photograph the towers.