Hanoi, May 15 -- From water parks and city tours to international fireworks festivals, localities nationwide are unveiling a raft of fresh tourism products and strategic partnerships to attract domestic and international visitors during the upcoming summer season. Given the sector's ongoing recovery and growth acceleration, investment in infrastructure has been intensified, new products launched, events organised, and diverse partnerships established. Recently, Ha Nam saw the opening of the 5 trillion VND (192.83 million USD) Sun World water park by Sun Group in Phu Ly city, a boost to the northern province's efforts to establish itself as a regional tourism and entertainment hub. Meanwhile, the northern port city of Hai Phong has recogni...