generate questions: In the 2nd century CE, Mahayana Sutras spread to China, and then to Korea and Japan, and were translated into Chinese. During the Indian period of Esoteric Buddhism (from the 8th century onwards), Buddhism spread from India to Tibet and Mongolia.
Mahayana Sutras spread to China during what century? {sep_token} What two countries after China was the Mahayana sutras spread? {sep_token} When did Buddhism apread from India to Tibet? {sep_token}