Archaeologists work at a 4,000-year-old Thracian chariot found south of the town of Nova Zagora, some 220 km (137 miles) east of the Bulgarian capital Sofia, Monday, April 23, 2007. The chariot has two wheels with its roof made of heavy bronze in the form of eagle heads, with a folding iron chair, and contains three horse skeletons among its treasure hoard. Link
Related posts:
Young boy finds prehistoric horse bones
Horse teeth and climate change
8000-year old horse figures found in Anatolia
Bridlepath 
Say your bit