Thailand is steering an initiative for a joint-visa program with countries that together hosted about 70 million tourists last year as Prime Minister Srettha Thavisin ramps up initiatives to attract more long-haul and high-spending travellers. Thailand tourism strategy: Single-visa initiative to attract long-haul travellers, seamless travel in ASEAN Srettha — who’s pledged to elevate Thailand’s status as a tourism hotspot …