klˈɪɹɪŋ ðɪ ˈɛɹiə ʌv bˈɑːmz ɪz mˌeɪd dˈɪfɪkəlt baɪ ðə lˈɑːɹdʒ nˈʌmbɚɹ ʌv mjuːnˈɪʃənz ænd ðə fˈækt ðæt ðeɪ bˈɜːɹoʊd ˌʌp tʊ ˌɪntʊ ðə ɡɹˈaʊnd ˈæftɚ bˌiːɪŋ dɹˈɑːpt fɹʌm ˈɛɹkɹæft, ɔːlðˈoʊ sˌʌm hæv wˈɜːkt ðɛɹ wˈeɪ ˌʌp tə ðə sˈɜːfɪs θɹuː nˈætʃɚɹəl pɹˈɑːsɛsᵻz.
Clearing the area of bombs is made difficult by the large number of munitions and the fact that they burrowed up to  into the ground after being dropped from aircraft, although some have worked their way up to the surface through natural processes.