Designated a World Heritage site in 1994, Halong Bay’s spectacular scatter of islands […] ______________ a vision of ethereal beauty […]. Sprawling Halong City is the bay’s main gateway but its dowdy high-rises _____________ a disappointing doorstep to this site. […] Halong Bay attracts visitors year-round with peak season between late May and early August. January tô March ________________ often cool and drizzly […]. From May to September tropical storms ___________ frequent, and year-round tourist boats sometimes need to alter their itineraries, depending on the weather. November’s sunny blue-sky days and lack of crowds make it the best time to make a beeline here.