You can take subway line 5 and get off at exit of “ A2” of “ tian tan dong men” station, then walk around 2 minutes to reach at est gate of temple of heaven, or you can take a taxi and reach at east gate direcltly(“请带我到天坛公园的东门”, which is the chinese address translation of east gate of temple of heaven), then scan the QR code of tickets which was sent by local supplier in advance at entrance and get into the site. The Temple of Heaven was the largest, most famous and representative masterpiece of ancient Chinese sacrificial architecture, and it was built in 1420 during the Ming Dynasty, which covering the Hall of Prayer for Good Harvests, the Hall of Imperial Zenity, the Circular Mound, the Imperial Vault of Heaven, Echo Wall, Triple-sound Stone, Seven Star Stone etc.