Apart from the traditional popular tourist spots, there are some picturesque hidden gems in Beijing.
One such beautiful Art museum in Shunyi is the Luo Hong Art Museum. The museum is surrounded by beautiful Zen garden with a Koi pond which also houses a restaurant and bakery.The museum requires a 100 yuan ticket for entry but the garden is accessible to public.
It 's the perfect spot for Afternoon tea in the most tranquil setting.

Details:
No.6 Kaifa Street Beijing Shunyi Airport Expressway Yanglin Avenue exit 200 meters left, Beijing China