Un-bearably cute twin polar bears celebrate their 100th-day birthday in China.  Photos by Quirky China News / Rex Features via Mail Online Un-bearably cute twin polar bears celebrate their 100th-day birthday in China.  Photos by Quirky China News / Rex Features via Mail Online Un-bearably cute twin polar bears celebrate their 100th-day birthday in China.  Photos by Quirky China News / Rex Features via Mail Online

Un-bearably cute twin polar bears celebrate their 100th-day birthday in China. Photos by Quirky China News / Rex Features via Mail Online