Waltz under the stars.
Waltz under the stars.
Sunset on Emei mountain.
Clouds embrace the mountain.
Sunrise.
A calm moring in PKU.
未名湖.
Revisit the old times.
I am a Ph.D. now!
A Ph.D. from Harvard.
Star trail
Perseid meteor shower
Sainte-Chapelle
Sainte-Chapelle
Paris
Travel alone in P aris
Paris
Avignon
Palace of the pope in the old city of Avignon.
The broken bridge
Provence
The blue shore
Nice
Memory of old times
Tree, tower and the lake.
Red bridge
Charles river at sunrise
Joshua tree national park
Caltech
Kate
LA downtown from Griffith Observatory
Jing
Snow plough
Snowing in the yard
Lift connecting the ski trails and condos
Sugarloaf mountain
Snowbrook under -15C
Riding into the stars
Follow the snowbrook to the mountains
DIY hackintosh
Manhattan cityscape
Central park
Time square
"Announcing a major science breakthrough"
Rain in the city
NYC outside the train window.
Trace of a Pumpkin
Siren trail
The boss and minions :)
Outing on a farm
Cozy places
Autumn colors in Mt Major
Superposition
Intricate structure of a hedge maze
Mid-Autumn Moon
Milky way above great smoky mountains
Cabin among stars
Milky way
Starry night on a lawn
仰望星空的人
Dreamy afternoon waiting for the eclipse
Preparing for the big moment
The eclipse: diamond ring
The eclipse: totality
Roaring fork (great smoky mountains)
Smoky mountains
Flare
Smoky mountains
Race point beach
Shining sea bikeway
Storm is coming
Provincetown
The BBQ
IllumiNation firework and laser show at EPCOT
Dragon on Gringottz bank
EPCOT
Fantasmic
New Orleans, where alcohol is allow outside
St. Patrick's day parade, New Orleans
Suspicious club in New Orleans
The Shrine of St. Anthony (Boston)
Candles in the church
Apple watch in display
镜面上印章
马踏印章
Measuring on Leiden at night
Trip to Acadia National Park
Outlook from Cadillac Mountain top in Acadia
The barbecue smoke
Where is the meat
Star night (Acadia National Park)
The dawn (Cadillac Mountain top)
Sunrise (Cadillac Mountain top)
雨过天晴 (Acadia National Park)
水龙头（都江堰）
山羊吃草（重庆）
晚饭后（重庆）
layers of mountains in a distance (Chongqing)
Lake on the mountain top (长白山天池)
Summer afternoon
Bee harvesting pollen (长白山度假区)
Silhouette
Water falls
North Korea building (seen across the border)
Broom (Universal studio)
Into dilution fridge (Kim Lab)
Bus trip in the rain
116th Broadway
Strangers
Central park