license:gpl-3.0 region:us Beijing Weather Air quality photos
---
license: gpl-3.0
tags:
- Beijing
- Weather
- Air quality
- photos
---

pictures of views from an office window in Beijing from the same spot, same angle at noon of different dates

address of the office: TECHART PLAZA, NO.30 XUEYUAN ROAD floor 8

potential application:
learn air quality and weather from picture