Tian Tian (meaning Sweetie) and Yang Guang (Sunshine) arrive in Scotland from Ya'an reserve in Chengdu, China.
The pair are introduced at Edinburgh Zoo and shown to a specially made "love tunnel", but they only go as far as wrestling.
The zoo launches a “panda-cam” so people across the world can watch the two giant pandas in the run-up to mating season.
After failing to show signs that she is ready to mate, Tian Tian is artificially inseminated.
The zoo's plans to carry out an ultrasound to see if Tian Tian is pregnant are shelved because it is deemed too risky to sedate her.
The Royal Zoological Society of Scotland reveals that hormone changes indicate Tian Tian may be pregnant.
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