Compléter About London 1Version en ligne Fill in the gaps par maría luisa pérez dorribo 1 bridge waterbus tourists bus one cars travelling City trains Bridge art taxi galleries palaces River museums Square cathedrals pedestrians churches Tower Tower London is on the Thames . In about 43 AD the Romans built the first over the river . That was the beginning of the of London . Until 1747 there was only bridge over the Thames . Now there are twenty - nine , some for , some for and some for . Some are very famous , like . London is a big city but around is easy . You can take a , a red or a black . Over twenty million come to London every year . There is so much to see in London : , , , Trafalgar , the and lots of and .