Cambodia is a Southeast Asian nation whose landscape spans low-lying plains, the Mekong Delta, mountains and Gulf of Thailand coastline.

China, officially the People’s Republic of China, is a country in East Asia. With a population exceeding 1.4 billion, it is the world’s second-most-populous country.

Malaysia is a Southeast Asian country occupying parts of the Malay Peninsula and the island of Borneo. It’s known for its beaches, rainforests and mix of Malay, Chinese, Indian and European cultural influences.

Singapore is a unitary parliamentary republic with a Westminster system of unicameral parliamentary government, and its legal system is based on common law.