The Curious History of Your Home - Clocks - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds
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The Curious History of Your Home - Clocks - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds
Clocks
The most elaborate clock the world has ever seen is constructed in 11th-century China.
The most elaborate clock the world has ever seen is constructed in 11th-century China.