Chaniga Taumjun, 12, takes a break at a botanic garden in Ayutthaya, the former capital of Thailand. (Photo/China Daily)

The Prince Royal's College, a aprivate Christian school, serves the education needs of students from kindergarten to 12th grade in Chiang Mai. (Photo/China Daily)

Thailand is expected to attract an increasing number of Chinese tourists in the foreseeable future now that the Chinese comedy Lost in Thailand, shot on location in Chiang Mai, has become a blockbuster hit. (Photo/China Daily)

The stylish police can distract you from the notorious traffic jams in Bangkok.(Photo/China Daily)

The Prince Royal's College, a aprivate Christian school, serves the education needs of students from kindergarten to 12th grade in Chiang Mai.(Photo/Agencies)

Chatree Plikkamsook (right), 43, sells bananas at a night market in Chiang Mai.(Photo/China Daily)

Thailand is often called the "land of smiles", not only because of its natural beauty and historical riches, but also because of its friendly people and fascinating culture. Smiling is so ubiquitous here, it is practically contagious. According to some medical experts, smiling relieves stress and boosts the immune system.