Unusual Chinese inventions

From a homemade submarine to a quirky version of "Noah's Ark", here is a look at some offbeat inventions.

A spherical pod, named "Noah's Ark", designed by Chinese inventor Liu Qiyuan floats on a river during a test in Xianghe

A spherical pod, named "Noah's Ark", designed by Chinese inventor Liu Qiyuan floats on a river during a test in Xianghe, Hebei province, December 12, 2012. Liu, who has spent 1.8 million yuan ($288,000) on building six "Noah's Ark"s in 8 months with the help of his former furniture factory's workers, is working on his seventh pod. The 17 cubic-metre volume vessels were built to serve as lifeboats in the event of earthquakes, tsunamis and floods. REUTERS/Petar Kujundzic (CHINA - Tags: SOCIETY SCIENCE TECHNOLOGY DISASTER ENVIRONMENT)

wacky

A Chinese inventor, Yang Zongfu celebrates on his six-ton (5,443 kg) ball container named Noah's Ark of China after he succeeds in a series of tests of the vessel in Yiwu, Zhejiang province, August 6, 2012. According to local media, Yang spent two years and 1.5 million RMB (235,585 USD) to build this four-metre diameter vessel, which has been tested capable of housing a three-person family and sufficient food for them to live in 10 months. The vessel was designed to protect people inside from external heat, water and external impact. Picture taken August 6, 2012. REUTERS/China Daily

Smaller version of Noah's Ark of China, ball container built by Chinese inventor Yang, undergoes burning test in Yiwu

A smaller version of Noah's Ark of China, a six-ton (5,443 kg) ball container built by Chinese inventor Yang Zongfu, undergoes a burning test in Yiwu, Zhejiang province, August 6, 2012. According to local media, Yang spent two years and 1.5 million RMB (235,585 USD) to build the four-metre diameter vessel, which has been tested capable of housing a three-person family and sufficient food for them to live in 10 months. The vessel was designed to protect people inside from external heat, water and external impact. Picture taken August 6, 2012. REUTERS/China Daily (CHINA - Tags: SOCIETY SCIENCE TECHNOLOGY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA