What is better base foundation between gravel bed or lean concrete?

The choice between a gravel bed and lean concrete as a base foundation depends on the specific application and site conditions. Gravel beds provide Excellent drainage and flexibility, making them suitable for areas with high moisture or where soil movement is expected. On the other hand, lean concrete offers a stable, solid base that can support heavy loads and is less susceptible to erosion. Ultimately, the best option will depend on factors such as soil type, load requirements, and environmental conditions.