Beijing has the worst smog levels among the world's capital cities - so bad that playing sports outdoor is often banned - but it could get a stunning new set of lungs in the form of a covered botanical garden, retail and office complex under a giant transparent roof.

Called Bubbles, the architectural concept might seem an unlikely candidate for a high-rise city of 21 million people. But its designers believe it offers something that every urban environment needs. — South China Morning Post

Competition entries to the tremendously popular Busan Opera House competition keep pouring into our inbox these days. Here is another one of our favorites, the proposal "Anisotropia" designed by London-based studio Orproject. The design team included Ho-Ping Hsia, Christoph Klemmt, Rolando Rodriguez-Leal, Rajat Sodhi, Natalia Wrzask, and Christine Wu. — bustler.net