CONCEPTS: build, garden, industry

GEN: the garden is the first garden the students have built since building industry last spring .

CONCEPTS: attraction, complex, know

GEN: a massive pyramid known as tourist attraction dominates a complex of ruins

CONCEPTS: cloud, form, lapse

GEN: time lapse of rain clouds forming on the sky

CONCEPTS: cover, floor, specie

GEN:
biological species covers the forest floor and its leaves move in the wind .