Yan Tun Kong Study Hall, also known as Yin Yik Tong, was once a private tutoring school run by the Tang Clan inside its ancestral hall in Hang Tau Tsuen of Ping Shan.位於元朗屏山坑頭村的仁敦岡書室 (又名燕翼堂)，既作教學書室亦是鄧族祠堂。