Language point

1. At almost 2.5km, it is longer than the Champs Elysees and slightly curved to afford drivers a dramatic view of the surrounding countryside and the ancient town of Millau.

2. 'The whole thing looks impossibly delicate.'

3. The engineering feat has drawn praise for its elegant lines, which allow it to blend seamlessly into the surrounding region . . .

'Slightly', 'impossibly' and 'seamlessly' are all adverbs. An adverb is a word or group of words that describes or adds to the meaning of:

a verb (see 1 and 3);

an adjective (see 2);

another adverb (Example: He eats very slowly.); or