Our天地 (Note: "de" in Chinese is a particle that can be translated as "'s" to indicate possession. A more natural translation would be "Our world" or "Our天地". Since "天地" literally means "heaven and earth", it could also be translated as "Our heaven and earth".) If you meant to say "我们的天地" (wǒmen de tiān dì), the correct translation would be "Our world" or "Our heaven and earth".