Concepts: bee, blossom, day
A: bee flying around different blossoms collecting pollen on a bright clear day
Concepts: crater, moon, planet
A: why are there so many craters on the moon and some of the small planets
Concepts: condition, control, snow, specie, take
A: biological species in the snow taken under controlled conditions
Concepts: break, sunlight, water
A:
beautiful time lapse of rays of sunlight breaking through big white clouds over the water