come one step closer to reality

French authorities are one step closer to restoring a world-famous view of the Mont Saint-Michel abbey floating on the sea.
フランス当局は、海に浮かぶモンサンミシェル修道院の世界的に有名な光景を取り戻すことに一歩近づいています。
 
authorities
当局

be one step closer to ...
～に一歩近づく

one step closer to one's dream
《be ～》夢に一歩近づく

come one step closer to reality
現実に一歩近づく

get one step closer to one's long-cherished dream of
～という積年の夢に一歩近づく

as being one step closer to
～に一歩近づいたかのように

bring someone one step closer to his goal
〔主語によって〕（人）が目標に一歩近づく

bring someone one step closer to impeachment
（人）を弾劾のより一歩近くへと追い込む

put someone one step closer to
（人）を～に一歩近づける

come a step closer to one's cherished goal of
長年抱いてきた～という目標へ一歩近づく